Q.What is theuseofMarchwinds?A. Theydry the soil(which is saturated with the floods of February),breakup the heavy clods, and fit the land for theseedswhich are committed to it.
Q.What is theuseofMarchwinds?
Q.What is theuseofMarchwinds?
A. Theydry the soil(which is saturated with the floods of February),breakup the heavy clods, and fit the land for theseedswhich are committed to it.
A. Theydry the soil(which is saturated with the floods of February),breakup the heavy clods, and fit the land for theseedswhich are committed to it.
Q.Why does “March come inlike alion?”A. Because it comes in withblustering east winds, which are essential to dry the soil, which would otherwiserot the seedcommitted to it.
Q.Why does “March come inlike alion?”
Q.Why does “March come inlike alion?”
A. Because it comes in withblustering east winds, which are essential to dry the soil, which would otherwiserot the seedcommitted to it.
A. Because it comes in withblustering east winds, which are essential to dry the soil, which would otherwiserot the seedcommitted to it.
Q.Why does “March go outlike alamb?”A. Because the water (evaporated by the high winds) falls again inshowersto fertilize the earth, andbreaks the violence of the winds.
Q.Why does “March go outlike alamb?”
Q.Why does “March go outlike alamb?”
A. Because the water (evaporated by the high winds) falls again inshowersto fertilize the earth, andbreaks the violence of the winds.
A. Because the water (evaporated by the high winds) falls again inshowersto fertilize the earth, andbreaks the violence of the winds.
Q.Why is it said that “A bushel ofMarch dustis worth the king’s ransom?”A. Because it indicates that there has been a continuance ofdry weather; and unlessMarch be dry, the seed will rot in the wet soil.
Q.Why is it said that “A bushel ofMarch dustis worth the king’s ransom?”
Q.Why is it said that “A bushel ofMarch dustis worth the king’s ransom?”
A. Because it indicates that there has been a continuance ofdry weather; and unlessMarch be dry, the seed will rot in the wet soil.
A. Because it indicates that there has been a continuance ofdry weather; and unlessMarch be dry, the seed will rot in the wet soil.
Q.Why is it said “AdrycoldMarchneverbegs bread?”A. Because thedry cold windsof March prepare the soil forseeds, which germinate, and produce fruit in the autumn.
Q.Why is it said “AdrycoldMarchneverbegs bread?”
Q.Why is it said “AdrycoldMarchneverbegs bread?”
A. Because thedry cold windsof March prepare the soil forseeds, which germinate, and produce fruit in the autumn.
A. Because thedry cold windsof March prepare the soil forseeds, which germinate, and produce fruit in the autumn.
Q.Why is it said that “Awet Marchmakes asadautumn?”A. Because, ifMarch be wet, so much of the seedrots in the ground, that the autumn crops are spoiled.
Q.Why is it said that “Awet Marchmakes asadautumn?”
Q.Why is it said that “Awet Marchmakes asadautumn?”
A. Because, ifMarch be wet, so much of the seedrots in the ground, that the autumn crops are spoiled.
A. Because, ifMarch be wet, so much of the seedrots in the ground, that the autumn crops are spoiled.
Q.Why is it said that “March flowersmakenosummerbowers?”A. Because, if thespring be very mild, vegetation gets too forward, and ispinched by the nightly frosts, so as to produce neither fruits nor flowers.
Q.Why is it said that “March flowersmakenosummerbowers?”
Q.Why is it said that “March flowersmakenosummerbowers?”
A. Because, if thespring be very mild, vegetation gets too forward, and ispinched by the nightly frosts, so as to produce neither fruits nor flowers.
A. Because, if thespring be very mild, vegetation gets too forward, and ispinched by the nightly frosts, so as to produce neither fruits nor flowers.
Q.Why is it said “A late springmakes afruitful year?”A. Because if the vegetation of spring bebackward, the frosty nights willdo no harm; for the fruits and flowers will not put forth their tender shoots, till the nights becometoo warm to injure them.
Q.Why is it said “A late springmakes afruitful year?”
Q.Why is it said “A late springmakes afruitful year?”
A. Because if the vegetation of spring bebackward, the frosty nights willdo no harm; for the fruits and flowers will not put forth their tender shoots, till the nights becometoo warm to injure them.
A. Because if the vegetation of spring bebackward, the frosty nights willdo no harm; for the fruits and flowers will not put forth their tender shoots, till the nights becometoo warm to injure them.
Q.Why is it said that “April showersbringMay flowers?”A. Before seeds can germinate,threethings are essential:—Darkness, Heat, and Moisture. April showers supply the principal nourishment on which seeds depend for existence.
Q.Why is it said that “April showersbringMay flowers?”
Q.Why is it said that “April showersbringMay flowers?”
A. Before seeds can germinate,threethings are essential:—Darkness, Heat, and Moisture. April showers supply the principal nourishment on which seeds depend for existence.
A. Before seeds can germinate,threethings are essential:—Darkness, Heat, and Moisture. April showers supply the principal nourishment on which seeds depend for existence.
Q.Doesrain-water possess any fertilizing propertiesbesidesthat of meremoisture?A. Yes; rain-water contains “ammonia,” to which much of its fertilizing power may be attributed.(Ammonia is a compound of nitrogen and hydrogen. Common hartshorn is only ammonia and water.)
Q.Doesrain-water possess any fertilizing propertiesbesidesthat of meremoisture?
Q.Doesrain-water possess any fertilizing propertiesbesidesthat of meremoisture?
A. Yes; rain-water contains “ammonia,” to which much of its fertilizing power may be attributed.(Ammonia is a compound of nitrogen and hydrogen. Common hartshorn is only ammonia and water.)
A. Yes; rain-water contains “ammonia,” to which much of its fertilizing power may be attributed.
(Ammonia is a compound of nitrogen and hydrogen. Common hartshorn is only ammonia and water.)
Q.Why has God madeNovembera veryrainymonth?A. Because the rain hastens theputrefaction of the fallen leaves, and this makes the earth fertile.
Q.Why has God madeNovembera veryrainymonth?
Q.Why has God madeNovembera veryrainymonth?
A. Because the rain hastens theputrefaction of the fallen leaves, and this makes the earth fertile.
A. Because the rain hastens theputrefaction of the fallen leaves, and this makes the earth fertile.
Q.Why is theremorerainfrom SeptembertoMarchthan from March to September?A. From September to March, the temperature of the air isconstantly decreasing; on which account, itscapacity for holding vapouris on thedecrease, and the vapour is precipitated as rain.
Q.Why is theremorerainfrom SeptembertoMarchthan from March to September?
Q.Why is theremorerainfrom SeptembertoMarchthan from March to September?
A. From September to March, the temperature of the air isconstantly decreasing; on which account, itscapacity for holding vapouris on thedecrease, and the vapour is precipitated as rain.
A. From September to March, the temperature of the air isconstantly decreasing; on which account, itscapacity for holding vapouris on thedecrease, and the vapour is precipitated as rain.
Q.Why is therelessrainfrom MarchtoSeptember, than from September to March?A. From March to September, the temperature of the air isconstantly increasing; on which account,its capacity for holding vapouris on theincrease, and very little is precipitated as rain.
Q.Why is therelessrainfrom MarchtoSeptember, than from September to March?
Q.Why is therelessrainfrom MarchtoSeptember, than from September to March?
A. From March to September, the temperature of the air isconstantly increasing; on which account,its capacity for holding vapouris on theincrease, and very little is precipitated as rain.
A. From March to September, the temperature of the air isconstantly increasing; on which account,its capacity for holding vapouris on theincrease, and very little is precipitated as rain.
Q.Why is therising sunin summer accompanied with abreeze?A. Because the heat of the risingsunstops the radiation of heatfrom the earth, andwarms its surface.
Q.Why is therising sunin summer accompanied with abreeze?
Q.Why is therising sunin summer accompanied with abreeze?
A. Because the heat of the risingsunstops the radiation of heatfrom the earth, andwarms its surface.
A. Because the heat of the risingsunstops the radiation of heatfrom the earth, andwarms its surface.
Q.How does thiswarmthproduce abreeze?A. The air (resting on the earth’s surface) iswarmed by contact, ascends upwards, andcolder air rushes into fill up the void, which is the cause of themorningbreeze.
Q.How does thiswarmthproduce abreeze?
Q.How does thiswarmthproduce abreeze?
A. The air (resting on the earth’s surface) iswarmed by contact, ascends upwards, andcolder air rushes into fill up the void, which is the cause of themorningbreeze.
A. The air (resting on the earth’s surface) iswarmed by contact, ascends upwards, andcolder air rushes into fill up the void, which is the cause of themorningbreeze.
Q.Why is there often anevening breezeduring the summer months?A. The earthradiates heat at sun-set, and the air is cooled down quickly by contact: this condensation causes amotion in the air, which is the evening breeze.
Q.Why is there often anevening breezeduring the summer months?
Q.Why is there often anevening breezeduring the summer months?
A. The earthradiates heat at sun-set, and the air is cooled down quickly by contact: this condensation causes amotion in the air, which is the evening breeze.
A. The earthradiates heat at sun-set, and the air is cooled down quickly by contact: this condensation causes amotion in the air, which is the evening breeze.
Q.Why aretropical islandsalways subject to asea-breeze everymorning(i. e.. a breeze blowing from the sea to the land)?A. The solar rays are unable to heat the surface of theseaas they do theearth; therefore, theair resting on the earthis moreheatedthan theair resting on the sea; and the colder sea air blowsinlandto restore the equilibrium.
Q.Why aretropical islandsalways subject to asea-breeze everymorning(i. e.. a breeze blowing from the sea to the land)?
Q.Why aretropical islandsalways subject to asea-breeze everymorning(i. e.. a breeze blowing from the sea to the land)?
A. The solar rays are unable to heat the surface of theseaas they do theearth; therefore, theair resting on the earthis moreheatedthan theair resting on the sea; and the colder sea air blowsinlandto restore the equilibrium.
A. The solar rays are unable to heat the surface of theseaas they do theearth; therefore, theair resting on the earthis moreheatedthan theair resting on the sea; and the colder sea air blowsinlandto restore the equilibrium.
Q.Why is theland breeze unhealthy?A. Because it is frequently loaded with exhalations fromputrefying animalandvegetablesubstances.
Q.Why is theland breeze unhealthy?
Q.Why is theland breeze unhealthy?
A. Because it is frequently loaded with exhalations fromputrefying animalandvegetablesubstances.
A. Because it is frequently loaded with exhalations fromputrefying animalandvegetablesubstances.
Q.Why is thesea breezefresh andhealthy?A. Because it passes over the fresh sea, and isnotladen with noxious exhalations.It ishealthy, therefore, to walk on the sea-beach before ten o’clock in the morning; butunhealthyafter sun-set.
Q.Why is thesea breezefresh andhealthy?
Q.Why is thesea breezefresh andhealthy?
A. Because it passes over the fresh sea, and isnotladen with noxious exhalations.It ishealthy, therefore, to walk on the sea-beach before ten o’clock in the morning; butunhealthyafter sun-set.
A. Because it passes over the fresh sea, and isnotladen with noxious exhalations.
It ishealthy, therefore, to walk on the sea-beach before ten o’clock in the morning; butunhealthyafter sun-set.
Q.Why is there generally a fresh breeze from thesea(in English watering places) during the summer and autumnmornings?A. As thelandismore heated by the sunthan thesea; therefore, air resting on thelandis hotter than air resting on thesea; in consequence of which, cooler sea air glidesinland, to restore the equilibrium.
Q.Why is there generally a fresh breeze from thesea(in English watering places) during the summer and autumnmornings?
Q.Why is there generally a fresh breeze from thesea(in English watering places) during the summer and autumnmornings?
A. As thelandismore heated by the sunthan thesea; therefore, air resting on thelandis hotter than air resting on thesea; in consequence of which, cooler sea air glidesinland, to restore the equilibrium.
A. As thelandismore heated by the sunthan thesea; therefore, air resting on thelandis hotter than air resting on thesea; in consequence of which, cooler sea air glidesinland, to restore the equilibrium.
Q.Why does thesea breezefeelcool?A. As the sun cannot make the surface of theseaso hot as the surface of theland; therefore, the air which blows from the sea, feelscooler than the air of the land.
Q.Why does thesea breezefeelcool?
Q.Why does thesea breezefeelcool?
A. As the sun cannot make the surface of theseaso hot as the surface of theland; therefore, the air which blows from the sea, feelscooler than the air of the land.
A. As the sun cannot make the surface of theseaso hot as the surface of theland; therefore, the air which blows from the sea, feelscooler than the air of the land.
Q.Why aretropical islandssubject to aland breezeeveryevening(i. e.. a breeze blowing from the land towards the sea)?A. Thesurface of landcools downfaster(after sun-set) than the surface of thesea: in consequence of which, the air of the cold landis condensed, sinks down, and spreads itself into the warmersea air, causing theland breeze.
Q.Why aretropical islandssubject to aland breezeeveryevening(i. e.. a breeze blowing from the land towards the sea)?
Q.Why aretropical islandssubject to aland breezeeveryevening(i. e.. a breeze blowing from the land towards the sea)?
A. Thesurface of landcools downfaster(after sun-set) than the surface of thesea: in consequence of which, the air of the cold landis condensed, sinks down, and spreads itself into the warmersea air, causing theland breeze.
A. Thesurface of landcools downfaster(after sun-set) than the surface of thesea: in consequence of which, the air of the cold landis condensed, sinks down, and spreads itself into the warmersea air, causing theland breeze.
Q.Why is theland breeze cool?A. As the surface of the land is cooled at sun-setquicker than the surface of the sea; therefore, the seaman feels the air from the land to be chill.
Q.Why is theland breeze cool?
Q.Why is theland breeze cool?
A. As the surface of the land is cooled at sun-setquicker than the surface of the sea; therefore, the seaman feels the air from the land to be chill.
A. As the surface of the land is cooled at sun-setquicker than the surface of the sea; therefore, the seaman feels the air from the land to be chill.
Q.Why is thetemperatureofislandsmoreequablethan that ofcontinents?A. Because thewateraround the islandabsorbsthe extreme heat of summer, andgives outheat to mitigate the extreme cold of winter.
Q.Why is thetemperatureofislandsmoreequablethan that ofcontinents?
Q.Why is thetemperatureofislandsmoreequablethan that ofcontinents?
A. Because thewateraround the islandabsorbsthe extreme heat of summer, andgives outheat to mitigate the extreme cold of winter.
A. Because thewateraround the islandabsorbsthe extreme heat of summer, andgives outheat to mitigate the extreme cold of winter.
Q.Why does the sea round an islandgive outheat in winter?A. Unless thesea be frozen(which is rarely the case), it iswarmerthan the frozen land; and, therefore, the warmth of the sea air (mixing with the cold land air) helps to mitigate the intense cold.
Q.Why does the sea round an islandgive outheat in winter?
Q.Why does the sea round an islandgive outheat in winter?
A. Unless thesea be frozen(which is rarely the case), it iswarmerthan the frozen land; and, therefore, the warmth of the sea air (mixing with the cold land air) helps to mitigate the intense cold.
A. Unless thesea be frozen(which is rarely the case), it iswarmerthan the frozen land; and, therefore, the warmth of the sea air (mixing with the cold land air) helps to mitigate the intense cold.
Q.Why are therewavesin the sea?A. The wind (acting on the surface of the sea)piles up ridges of water, which leave behind anindentation: as the water on all sides rushes tofill up this indentation, the disturbance spreads on all sides, and billow rolls after billow.
Q.Why are therewavesin the sea?
Q.Why are therewavesin the sea?
A. The wind (acting on the surface of the sea)piles up ridges of water, which leave behind anindentation: as the water on all sides rushes tofill up this indentation, the disturbance spreads on all sides, and billow rolls after billow.
A. The wind (acting on the surface of the sea)piles up ridges of water, which leave behind anindentation: as the water on all sides rushes tofill up this indentation, the disturbance spreads on all sides, and billow rolls after billow.
Q.Why doeswindin England generally feelcold?A. Because aconstantly changing surfacecomes in contact with our body, to draw off its heat.
Q.Why doeswindin England generally feelcold?
Q.Why doeswindin England generally feelcold?
A. Because aconstantly changing surfacecomes in contact with our body, to draw off its heat.
A. Because aconstantly changing surfacecomes in contact with our body, to draw off its heat.
Q.Why is aroom(even without a fire) generallywarmerthan theopen air?A. As the air in a room isnot subject to much change, it soon becomes of the same temperature as our skin, and no longer feels cold.
Q.Why is aroom(even without a fire) generallywarmerthan theopen air?
Q.Why is aroom(even without a fire) generallywarmerthan theopen air?
A. As the air in a room isnot subject to much change, it soon becomes of the same temperature as our skin, and no longer feels cold.
A. As the air in a room isnot subject to much change, it soon becomes of the same temperature as our skin, and no longer feels cold.
Q.Why do we generally feelcolderout-of-doors?A. Because the air (which surrounds us)is always changing; and as fast asoneportion of air has become warmer by contact with our body,another colder portionsurrounds us to absorb more heat.
Q.Why do we generally feelcolderout-of-doors?
Q.Why do we generally feelcolderout-of-doors?
A. Because the air (which surrounds us)is always changing; and as fast asoneportion of air has become warmer by contact with our body,another colder portionsurrounds us to absorb more heat.
A. Because the air (which surrounds us)is always changing; and as fast asoneportion of air has become warmer by contact with our body,another colder portionsurrounds us to absorb more heat.
Q.Why arehot foodsmadecoolbyblowingthem?A. Blowing causes the air (which covers the hot food)to change more rapidly; in consequence of which, the hot air isquickly blown away, and gives place to freshcold air.
Q.Why arehot foodsmadecoolbyblowingthem?
Q.Why arehot foodsmadecoolbyblowingthem?
A. Blowing causes the air (which covers the hot food)to change more rapidly; in consequence of which, the hot air isquickly blown away, and gives place to freshcold air.
A. Blowing causes the air (which covers the hot food)to change more rapidly; in consequence of which, the hot air isquickly blown away, and gives place to freshcold air.
Q.Why do ladiesfan themselvesin hot weather?A. By the action of the fan,fresh particles of airare perpetually brought in contact with the face, and every fresh particle of airabsorbs some heatfrom the skin.
Q.Why do ladiesfan themselvesin hot weather?
Q.Why do ladiesfan themselvesin hot weather?
A. By the action of the fan,fresh particles of airare perpetually brought in contact with the face, and every fresh particle of airabsorbs some heatfrom the skin.
A. By the action of the fan,fresh particles of airare perpetually brought in contact with the face, and every fresh particle of airabsorbs some heatfrom the skin.
Q.Does the fancooltheair?A. No; it makes theair hotter, by imparting to it the heatout of our face: but it cools thefaceblown upon, by transferring its heat to theair.
Q.Does the fancooltheair?
Q.Does the fancooltheair?
A. No; it makes theair hotter, by imparting to it the heatout of our face: but it cools thefaceblown upon, by transferring its heat to theair.
A. No; it makes theair hotter, by imparting to it the heatout of our face: but it cools thefaceblown upon, by transferring its heat to theair.
Q.Is theairinsummertime ever so hot as our bodies?A. No, not in England. In the hottest day in summer, the air of England is 15 or 20 degrees cooler than the human body.
Q.Is theairinsummertime ever so hot as our bodies?
Q.Is theairinsummertime ever so hot as our bodies?
A. No, not in England. In the hottest day in summer, the air of England is 15 or 20 degrees cooler than the human body.
A. No, not in England. In the hottest day in summer, the air of England is 15 or 20 degrees cooler than the human body.
Q.How fast does wind travel?A. A gentle breeze goes at about the rate of 5 miles an hour. A highwind from 20 to 60. A hurricane from 80 to 100 miles an hour.
Q.How fast does wind travel?
Q.How fast does wind travel?
A. A gentle breeze goes at about the rate of 5 miles an hour. A highwind from 20 to 60. A hurricane from 80 to 100 miles an hour.
A. A gentle breeze goes at about the rate of 5 miles an hour. A highwind from 20 to 60. A hurricane from 80 to 100 miles an hour.
Q.How is thevelocityofwindsascertained?A. By observing the velocity of the clouds, and by an instrument for the purpose.This instrument is called anAnemometer.
Q.How is thevelocityofwindsascertained?
Q.How is thevelocityofwindsascertained?
A. By observing the velocity of the clouds, and by an instrument for the purpose.This instrument is called anAnemometer.
A. By observing the velocity of the clouds, and by an instrument for the purpose.
This instrument is called anAnemometer.
Q.How is thevelocityof thecloudsascertained?A. By observing the speed of their shadow along the ground; which is found in a high wind to vary from 20 to 60 miles an hour.
Q.How is thevelocityof thecloudsascertained?
Q.How is thevelocityof thecloudsascertained?
A. By observing the speed of their shadow along the ground; which is found in a high wind to vary from 20 to 60 miles an hour.
A. By observing the speed of their shadow along the ground; which is found in a high wind to vary from 20 to 60 miles an hour.
Q.Why is there always a strongdraughtthrough thekeyholeof a door?A. As the air of the room we occupy iswarmer than the air in the hall, therefore the cold hall airrushes through the keyholeinto the room, and causes a draught.
Q.Why is there always a strongdraughtthrough thekeyholeof a door?
Q.Why is there always a strongdraughtthrough thekeyholeof a door?
A. As the air of the room we occupy iswarmer than the air in the hall, therefore the cold hall airrushes through the keyholeinto the room, and causes a draught.
A. As the air of the room we occupy iswarmer than the air in the hall, therefore the cold hall airrushes through the keyholeinto the room, and causes a draught.
Q.Why is there always a strongdraught underthedoor, and through the crevice on each side?A. The cold airrushes from the hallunder the door, &c. into the room, tosupply thevoidcaused in the room (by the escape of warm air up the chimney, &c.)
Q.Why is there always a strongdraught underthedoor, and through the crevice on each side?
Q.Why is there always a strongdraught underthedoor, and through the crevice on each side?
A. The cold airrushes from the hallunder the door, &c. into the room, tosupply thevoidcaused in the room (by the escape of warm air up the chimney, &c.)
A. The cold airrushes from the hallunder the door, &c. into the room, tosupply thevoidcaused in the room (by the escape of warm air up the chimney, &c.)
Q.Why is there always adraughtthrough thewindowcrevices?A. The external air (being colder than the air of the room we occupy) rushes through the window crevicesto supply the deficiency, caused by the escape of air up the chimney, &c.
Q.Why is there always adraughtthrough thewindowcrevices?
Q.Why is there always adraughtthrough thewindowcrevices?
A. The external air (being colder than the air of the room we occupy) rushes through the window crevicesto supply the deficiency, caused by the escape of air up the chimney, &c.
A. The external air (being colder than the air of the room we occupy) rushes through the window crevicesto supply the deficiency, caused by the escape of air up the chimney, &c.
Q.Why is there moredraughtif you open thelower sashof a window, than if you open the UPPER sash?A. If thelowersash be open, thecold external airwill rush more freelyinto the room; but if theuppersash be open theheated air of the roomwillrush out; and (of course) there will be less draught.
Q.Why is there moredraughtif you open thelower sashof a window, than if you open the UPPER sash?
Q.Why is there moredraughtif you open thelower sashof a window, than if you open the UPPER sash?
A. If thelowersash be open, thecold external airwill rush more freelyinto the room; but if theuppersash be open theheated air of the roomwillrush out; and (of course) there will be less draught.
A. If thelowersash be open, thecold external airwill rush more freelyinto the room; but if theuppersash be open theheated air of the roomwillrush out; and (of course) there will be less draught.
Q.By which means is theroombetterventilated, by opening the lower or the upper sash?A. A room is betterventilatedby opening theupper sash; because the hot vitiated air (which always ascends towards the ceiling)can better escape.
Q.By which means is theroombetterventilated, by opening the lower or the upper sash?
Q.By which means is theroombetterventilated, by opening the lower or the upper sash?
A. A room is betterventilatedby opening theupper sash; because the hot vitiated air (which always ascends towards the ceiling)can better escape.
A. A room is betterventilatedby opening theupper sash; because the hot vitiated air (which always ascends towards the ceiling)can better escape.
Q.By which means is ahot roommore quicklycooled—By opening the upper or the lower sash?A. A hot room iscooled more quicklyby opening thelower sash; because the cold air can enter more freely by anundercurrent, than by onehigher up.
Q.By which means is ahot roommore quicklycooled—By opening the upper or the lower sash?
Q.By which means is ahot roommore quicklycooled—By opening the upper or the lower sash?
A. A hot room iscooled more quicklyby opening thelower sash; because the cold air can enter more freely by anundercurrent, than by onehigher up.
A. A hot room iscooled more quicklyby opening thelower sash; because the cold air can enter more freely by anundercurrent, than by onehigher up.
Q.Why doeswind drydamplinen?A. Because dry wind (like a dry sponge) imbibes the particles of vapour from the surface of the linen, as fast as they are formed.
Q.Why doeswind drydamplinen?
Q.Why doeswind drydamplinen?
A. Because dry wind (like a dry sponge) imbibes the particles of vapour from the surface of the linen, as fast as they are formed.
A. Because dry wind (like a dry sponge) imbibes the particles of vapour from the surface of the linen, as fast as they are formed.
Q.Which is thehottest placein a church, chapel, or theatre?A. The gallery.
Q.Which is thehottest placein a church, chapel, or theatre?
Q.Which is thehottest placein a church, chapel, or theatre?
A. The gallery.
A. The gallery.
Q.Why is thegalleryof all public placeshotterthan the lower parts of the building?A. Because the heated air of the roomascends, and all thecold air(which can enter through the doors and windows)keeps to the floor, till it has become heated.
Q.Why is thegalleryof all public placeshotterthan the lower parts of the building?
Q.Why is thegalleryof all public placeshotterthan the lower parts of the building?
A. Because the heated air of the roomascends, and all thecold air(which can enter through the doors and windows)keeps to the floor, till it has become heated.
A. Because the heated air of the roomascends, and all thecold air(which can enter through the doors and windows)keeps to the floor, till it has become heated.
Q.Why doplantsoften grow out ofwallsandtowers?A. Because sometimes thewindblows the seed there with the dust; and sometimesbirds(flying over) drop the seed which they had formerly eaten.
Q.Why doplantsoften grow out ofwallsandtowers?
Q.Why doplantsoften grow out ofwallsandtowers?
A. Because sometimes thewindblows the seed there with the dust; and sometimesbirds(flying over) drop the seed which they had formerly eaten.
A. Because sometimes thewindblows the seed there with the dust; and sometimesbirds(flying over) drop the seed which they had formerly eaten.
Q.What is abarometer?A. A weather-glass, or instrument to show the changes of the weather, by marking thevariations in the weight of air.
Q.What is abarometer?
Q.What is abarometer?
A. A weather-glass, or instrument to show the changes of the weather, by marking thevariations in the weight of air.
A. A weather-glass, or instrument to show the changes of the weather, by marking thevariations in the weight of air.
Q.What is athermometer?A. An instrument to show howhot or coldanything is.
Q.What is athermometer?
Q.What is athermometer?
A. An instrument to show howhot or coldanything is.
A. An instrument to show howhot or coldanything is.
Q.What is thedifferencebetween athermometerand abarometer?A. In athermometerthe mercury issealed up from the air:In abarometerthe mercury is leftexposed(or open) to the air.
Q.What is thedifferencebetween athermometerand abarometer?
Q.What is thedifferencebetween athermometerand abarometer?
A. In athermometerthe mercury issealed up from the air:In abarometerthe mercury is leftexposed(or open) to the air.
A. In athermometerthe mercury issealed up from the air:
In abarometerthe mercury is leftexposed(or open) to the air.
Q.If the mercury of the thermometer besealed upfrom the air, how can the airaffectit?A. The heat of the air passingthrough the glass tubeinto the mercury, causes it toexpand more or less, and rise in the tube accordingly.
Q.If the mercury of the thermometer besealed upfrom the air, how can the airaffectit?
Q.If the mercury of the thermometer besealed upfrom the air, how can the airaffectit?
A. The heat of the air passingthrough the glass tubeinto the mercury, causes it toexpand more or less, and rise in the tube accordingly.
A. The heat of the air passingthrough the glass tubeinto the mercury, causes it toexpand more or less, and rise in the tube accordingly.
Q.Why is thetubeof abarometerleftopen?A. That the air maypress upon itfreely; and as this pressure ismoreorless, the mercuryrises or fallsin the tube.
Q.Why is thetubeof abarometerleftopen?
Q.Why is thetubeof abarometerleftopen?
A. That the air maypress upon itfreely; and as this pressure ismoreorless, the mercuryrises or fallsin the tube.
A. That the air maypress upon itfreely; and as this pressure ismoreorless, the mercuryrises or fallsin the tube.
Q.How can weather be affected by theweightof the air?A. When air is warm or moist, it islighterthan usual:When it is cold or dry, it isheavier: and as a barometer marks whether the air belightorheavy, it indicates thesechanges.
Q.How can weather be affected by theweightof the air?
Q.How can weather be affected by theweightof the air?
A. When air is warm or moist, it islighterthan usual:When it is cold or dry, it isheavier: and as a barometer marks whether the air belightorheavy, it indicates thesechanges.
A. When air is warm or moist, it islighterthan usual:
When it is cold or dry, it isheavier: and as a barometer marks whether the air belightorheavy, it indicates thesechanges.
Q.How can you tell (by looking at abarometer) whatkindofweatherit will be?A. Because the mercury in the tuberises and falls, as the air becomes lighter or heavier: and we can generally tell by theweightof the air, what kind of weather to expect.
Q.How can you tell (by looking at abarometer) whatkindofweatherit will be?
Q.How can you tell (by looking at abarometer) whatkindofweatherit will be?
A. Because the mercury in the tuberises and falls, as the air becomes lighter or heavier: and we can generally tell by theweightof the air, what kind of weather to expect.
A. Because the mercury in the tuberises and falls, as the air becomes lighter or heavier: and we can generally tell by theweightof the air, what kind of weather to expect.
Q.Does theweightof the airvary much?A. Yes; the atmosphere in England varies as much asone-tenth partmore or less.
Q.Does theweightof the airvary much?
Q.Does theweightof the airvary much?
A. Yes; the atmosphere in England varies as much asone-tenth partmore or less.
A. Yes; the atmosphere in England varies as much asone-tenth partmore or less.
Q.What is the chiefuseof abarometer?A. To warnsailorshow toregulate their ships, before squalls come on.
Q.What is the chiefuseof abarometer?
Q.What is the chiefuseof abarometer?
A. To warnsailorshow toregulate their ships, before squalls come on.
A. To warnsailorshow toregulate their ships, before squalls come on.
Q.How can abarometerwarnsailorsto regulate theirships?A. As the barometer will tell whenwind,rain, orstormis at hand, the sailor can make his ship trim before it overtakes him.
Q.How can abarometerwarnsailorsto regulate theirships?
Q.How can abarometerwarnsailorsto regulate theirships?
A. As the barometer will tell whenwind,rain, orstormis at hand, the sailor can make his ship trim before it overtakes him.
A. As the barometer will tell whenwind,rain, orstormis at hand, the sailor can make his ship trim before it overtakes him.
Q.Are there anyruleswhich can be depended on?A. Yes; there areten special rulesto direct us how to know the changes of weather, by marking the mercury of a barometer.
Q.Are there anyruleswhich can be depended on?
Q.Are there anyruleswhich can be depended on?
A. Yes; there areten special rulesto direct us how to know the changes of weather, by marking the mercury of a barometer.
A. Yes; there areten special rulesto direct us how to know the changes of weather, by marking the mercury of a barometer.
Q.What is the1ST SPECIAL RULEin regard to the barometer?A. The barometer ishighest of allduring along frost; and it generally rises with anorth-east wind.
Q.What is the1ST SPECIAL RULEin regard to the barometer?
Q.What is the1ST SPECIAL RULEin regard to the barometer?
A. The barometer ishighest of allduring along frost; and it generally rises with anorth-east wind.
A. The barometer ishighest of allduring along frost; and it generally rises with anorth-east wind.
Q.Why is the barometerhighestof all during a longfrost?A. Because long frostcondenses the air very greatly; and the more air iscondensed, the greater is itspressureon the mercury of the barometer.
Q.Why is the barometerhighestof all during a longfrost?
Q.Why is the barometerhighestof all during a longfrost?
A. Because long frostcondenses the air very greatly; and the more air iscondensed, the greater is itspressureon the mercury of the barometer.
A. Because long frostcondenses the air very greatly; and the more air iscondensed, the greater is itspressureon the mercury of the barometer.
Q.Why does the barometer generallyrisewith anorth-eastwind?A. Becausenorth-eastwinds makethe air bothcold and dry: the air, therefore, is bothcondensed, andwithout vapour.
Q.Why does the barometer generallyrisewith anorth-eastwind?
Q.Why does the barometer generallyrisewith anorth-eastwind?
A. Becausenorth-eastwinds makethe air bothcold and dry: the air, therefore, is bothcondensed, andwithout vapour.
A. Becausenorth-eastwinds makethe air bothcold and dry: the air, therefore, is bothcondensed, andwithout vapour.
Q.What is the2ND SPECIAL RULEin regard to the barometer?A. The barometer islowest of allduring athaw which follows a long frost: it generally falls withsouthandwesternwinds.
Q.What is the2ND SPECIAL RULEin regard to the barometer?
Q.What is the2ND SPECIAL RULEin regard to the barometer?
A. The barometer islowest of allduring athaw which follows a long frost: it generally falls withsouthandwesternwinds.
A. The barometer islowest of allduring athaw which follows a long frost: it generally falls withsouthandwesternwinds.
Q.Why does the barometer falllowestof all at thebreaking upof a longfrost?A. 1st—Because the air (which had been muchdriedby the frost)absorbs the moistureof the fresh warm current of wind from the south or south-west: and2ndly—The air (which had been muchcondensedby the frost) is suddenlyexpandedby the warm wind which is introduced.
Q.Why does the barometer falllowestof all at thebreaking upof a longfrost?
Q.Why does the barometer falllowestof all at thebreaking upof a longfrost?
A. 1st—Because the air (which had been muchdriedby the frost)absorbs the moistureof the fresh warm current of wind from the south or south-west: and2ndly—The air (which had been muchcondensedby the frost) is suddenlyexpandedby the warm wind which is introduced.
A. 1st—Because the air (which had been muchdriedby the frost)absorbs the moistureof the fresh warm current of wind from the south or south-west: and
2ndly—The air (which had been muchcondensedby the frost) is suddenlyexpandedby the warm wind which is introduced.
Q.Why does the barometer fall very low withsouthandwestwinds?A. Becausesouthandwestwinds come heavilyladen with vapour; andvaporizedair is lighter thandry air.
Q.Why does the barometer fall very low withsouthandwestwinds?
Q.Why does the barometer fall very low withsouthandwestwinds?
A. Becausesouthandwestwinds come heavilyladen with vapour; andvaporizedair is lighter thandry air.
A. Becausesouthandwestwinds come heavilyladen with vapour; andvaporizedair is lighter thandry air.
Q.What effect haswindon the mercury?A.Allwinds make the barometerdrop, excepteasternwinds: those winds which blow from thesouth, andsouth-westmake itdrop the lowest.
Q.What effect haswindon the mercury?
Q.What effect haswindon the mercury?
A.Allwinds make the barometerdrop, excepteasternwinds: those winds which blow from thesouth, andsouth-westmake itdrop the lowest.
A.Allwinds make the barometerdrop, excepteasternwinds: those winds which blow from thesouth, andsouth-westmake itdrop the lowest.
Q.Why dowindsgenerally make the mercury of a barometerdrop?A. Wind is caused by apartial vacuumin some parts of the globe; and as the airrushes into supply this deficiency,its general pressure is lessened, and the barometer falls.
Q.Why dowindsgenerally make the mercury of a barometerdrop?
Q.Why dowindsgenerally make the mercury of a barometerdrop?
A. Wind is caused by apartial vacuumin some parts of the globe; and as the airrushes into supply this deficiency,its general pressure is lessened, and the barometer falls.
A. Wind is caused by apartial vacuumin some parts of the globe; and as the airrushes into supply this deficiency,its general pressure is lessened, and the barometer falls.
Q.What is the3RD SPECIAL RULEin regard to the barometer?A. While the barometer stands above 30°, the air must be verydryor verycold, or perhapsboth, andno rainmay be expected.
Q.What is the3RD SPECIAL RULEin regard to the barometer?
Q.What is the3RD SPECIAL RULEin regard to the barometer?
A. While the barometer stands above 30°, the air must be verydryor verycold, or perhapsboth, andno rainmay be expected.
A. While the barometer stands above 30°, the air must be verydryor verycold, or perhapsboth, andno rainmay be expected.
Q.Why will there beno rainif theairbe verydry?A. If the air be verydryit willabsorb moisture, and not part with what it hasin rain.
Q.Why will there beno rainif theairbe verydry?
Q.Why will there beno rainif theairbe verydry?
A. If the air be verydryit willabsorb moisture, and not part with what it hasin rain.
A. If the air be verydryit willabsorb moisture, and not part with what it hasin rain.
Q.Why will there beno rainif theairbe verycold?A. If the air be verycoldit isso much condensed, that it has already parted with as much moisture as it can spare.
Q.Why will there beno rainif theairbe verycold?
Q.Why will there beno rainif theairbe verycold?
A. If the air be verycoldit isso much condensed, that it has already parted with as much moisture as it can spare.
A. If the air be verycoldit isso much condensed, that it has already parted with as much moisture as it can spare.
Q.What is the4TH SPECIAL RULEin regard to the barometer?A. When the barometer standsvery lowindeed, there is nevermuchrain, although afine daywill seldom occur at such times.
Q.What is the4TH SPECIAL RULEin regard to the barometer?
Q.What is the4TH SPECIAL RULEin regard to the barometer?
A. When the barometer standsvery lowindeed, there is nevermuchrain, although afine daywill seldom occur at such times.
A. When the barometer standsvery lowindeed, there is nevermuchrain, although afine daywill seldom occur at such times.
Q.What kind ofweatherwill it be when the barometer isunusually low?A. There will beshort heavy showers, with suddensqualls of windfrom thewest.
Q.What kind ofweatherwill it be when the barometer isunusually low?
Q.What kind ofweatherwill it be when the barometer isunusually low?
A. There will beshort heavy showers, with suddensqualls of windfrom thewest.
A. There will beshort heavy showers, with suddensqualls of windfrom thewest.
Q.Why will there bevery little rainif the barometer beunusually low?A. Because the air must be verywarm, or verymoist, or perhapsboth.
Q.Why will there bevery little rainif the barometer beunusually low?
Q.Why will there bevery little rainif the barometer beunusually low?
A. Because the air must be verywarm, or verymoist, or perhapsboth.
A. Because the air must be verywarm, or verymoist, or perhapsboth.
Q.Why will there be little or no rain, if theairbe verywarm?A. If the air be very warm it will have a tendency toimbibe more moisture, and not to part with what it has.
Q.Why will there be little or no rain, if theairbe verywarm?
Q.Why will there be little or no rain, if theairbe verywarm?
A. If the air be very warm it will have a tendency toimbibe more moisture, and not to part with what it has.
A. If the air be very warm it will have a tendency toimbibe more moisture, and not to part with what it has.
Q.Why will there be little or no rain if the air bemoist, and the barometer remains verylow?A. If the air be ever so moist, rain will never fall tillcold airhas been introduced tocondense the vapour; and the moment that thecoldair is introduced, the barometer willrise.
Q.Why will there be little or no rain if the air bemoist, and the barometer remains verylow?
Q.Why will there be little or no rain if the air bemoist, and the barometer remains verylow?
A. If the air be ever so moist, rain will never fall tillcold airhas been introduced tocondense the vapour; and the moment that thecoldair is introduced, the barometer willrise.
A. If the air be ever so moist, rain will never fall tillcold airhas been introduced tocondense the vapour; and the moment that thecoldair is introduced, the barometer willrise.
Q.What is the5TH SPECIAL RULEin regard to the barometer?A. In summer-time (after a long continuance of fair weather) the barometer willfall graduallyfor 2 or 3 days beforeraincomes; but if the fall of the mercury be verysudden, athunder-stormis at hand.
Q.What is the5TH SPECIAL RULEin regard to the barometer?
Q.What is the5TH SPECIAL RULEin regard to the barometer?
A. In summer-time (after a long continuance of fair weather) the barometer willfall graduallyfor 2 or 3 days beforeraincomes; but if the fall of the mercury be verysudden, athunder-stormis at hand.
A. In summer-time (after a long continuance of fair weather) the barometer willfall graduallyfor 2 or 3 days beforeraincomes; but if the fall of the mercury be verysudden, athunder-stormis at hand.
Q.What is the6TH SPECIAL RULEin regard to the barometer?A. When the sky is cloudless, and seems to promise fair weather, if the barometer below, the face of the sky will soon be suddenlyovercast.
Q.What is the6TH SPECIAL RULEin regard to the barometer?
Q.What is the6TH SPECIAL RULEin regard to the barometer?
A. When the sky is cloudless, and seems to promise fair weather, if the barometer below, the face of the sky will soon be suddenlyovercast.
A. When the sky is cloudless, and seems to promise fair weather, if the barometer below, the face of the sky will soon be suddenlyovercast.
Q.What is the7TH SPECIAL RULEin regard to the barometer?A. Dark dense clouds will pass overwithout rain, when the barometer ishigh; but if the barometer be low, it will often rainwithout any gathering of clouds.
Q.What is the7TH SPECIAL RULEin regard to the barometer?
Q.What is the7TH SPECIAL RULEin regard to the barometer?
A. Dark dense clouds will pass overwithout rain, when the barometer ishigh; but if the barometer be low, it will often rainwithout any gathering of clouds.
A. Dark dense clouds will pass overwithout rain, when the barometer ishigh; but if the barometer be low, it will often rainwithout any gathering of clouds.
Q.What is the8TH SPECIAL RULEin regard to the barometer?A. Thehigherthe barometer, the greater is the probability offair weather.
Q.What is the8TH SPECIAL RULEin regard to the barometer?
Q.What is the8TH SPECIAL RULEin regard to the barometer?
A. Thehigherthe barometer, the greater is the probability offair weather.
A. Thehigherthe barometer, the greater is the probability offair weather.
Q.Why is the barometerhighinfineweather?A. Because the air contains butvery little vapour. Thedrierthe air, thehigherdoes the mercury of the barometer rise.
Q.Why is the barometerhighinfineweather?
Q.Why is the barometerhighinfineweather?
A. Because the air contains butvery little vapour. Thedrierthe air, thehigherdoes the mercury of the barometer rise.
A. Because the air contains butvery little vapour. Thedrierthe air, thehigherdoes the mercury of the barometer rise.
Q.What is the9TH SPECIAL RULEin regard to the barometer?A. When the mercury is in arisingstate,fineweather is at hand; but when the mercury is in asinkingstate,foulweather is near.
Q.What is the9TH SPECIAL RULEin regard to the barometer?
Q.What is the9TH SPECIAL RULEin regard to the barometer?
A. When the mercury is in arisingstate,fineweather is at hand; but when the mercury is in asinkingstate,foulweather is near.
A. When the mercury is in arisingstate,fineweather is at hand; but when the mercury is in asinkingstate,foulweather is near.
Q.Why does the mercuryriseat the approach offineweather?A. Because the air is becoming moredry, and therefore itspressureis greater.
Q.Why does the mercuryriseat the approach offineweather?
Q.Why does the mercuryriseat the approach offineweather?
A. Because the air is becoming moredry, and therefore itspressureis greater.
A. Because the air is becoming moredry, and therefore itspressureis greater.
Q.Why does the mercurysinkat the approach offoulweather?A. Because the air isladen with vapour, ordisturbed by wind.
Q.Why does the mercurysinkat the approach offoulweather?
Q.Why does the mercurysinkat the approach offoulweather?
A. Because the air isladen with vapour, ordisturbed by wind.
A. Because the air isladen with vapour, ordisturbed by wind.
Q.Why doesvapourin the air make the mercurysink?A. Because vaporized air islighter than dry air, and therefore itspressure is lesson the mercury of the barometer.
Q.Why doesvapourin the air make the mercurysink?
Q.Why doesvapourin the air make the mercurysink?
A. Because vaporized air islighter than dry air, and therefore itspressure is lesson the mercury of the barometer.
A. Because vaporized air islighter than dry air, and therefore itspressure is lesson the mercury of the barometer.
Q.What is the10TH SPECIAL RULEin regard to the barometer?A. If (in frosty weather) itbegins to snow, the barometer generally rises to 32°, where it remains as long as the snow continues to fall; if, after this, the weatherclear up, you may expectvery severe cold.
Q.What is the10TH SPECIAL RULEin regard to the barometer?
Q.What is the10TH SPECIAL RULEin regard to the barometer?
A. If (in frosty weather) itbegins to snow, the barometer generally rises to 32°, where it remains as long as the snow continues to fall; if, after this, the weatherclear up, you may expectvery severe cold.
A. If (in frosty weather) itbegins to snow, the barometer generally rises to 32°, where it remains as long as the snow continues to fall; if, after this, the weatherclear up, you may expectvery severe cold.
Q.How can you know if themercuryof the barometer berising?A. If it beconvex(i. e. higher in themiddlethan at thesides;) it is in arising state.
Q.How can you know if themercuryof the barometer berising?
Q.How can you know if themercuryof the barometer berising?
A. If it beconvex(i. e. higher in themiddlethan at thesides;) it is in arising state.
A. If it beconvex(i. e. higher in themiddlethan at thesides;) it is in arising state.
Q.How can you tell if themercuryof the barometer be about tofall?A. If it beconcave(i. e.hollowin themiddle) it is in afalling state.
Q.How can you tell if themercuryof the barometer be about tofall?
Q.How can you tell if themercuryof the barometer be about tofall?
A. If it beconcave(i. e.hollowin themiddle) it is in afalling state.
A. If it beconcave(i. e.hollowin themiddle) it is in afalling state.
Q.Why is the mercuryconvexwhen it isrising?A. The sides of the mercuryrub against the glass tube, and aredelayedby it, so that themiddlepartrises fasterthan thesides.
Q.Why is the mercuryconvexwhen it isrising?
Q.Why is the mercuryconvexwhen it isrising?
A. The sides of the mercuryrub against the glass tube, and aredelayedby it, so that themiddlepartrises fasterthan thesides.
A. The sides of the mercuryrub against the glass tube, and aredelayedby it, so that themiddlepartrises fasterthan thesides.
Q.Why is the mercuryconcavewhen it isfalling?A. The sides of the mercuryrub against the glass tube, and aredelayedby it, so that themiddlepartsinks fasterthan thesides.
Q.Why is the mercuryconcavewhen it isfalling?
Q.Why is the mercuryconcavewhen it isfalling?
A. The sides of the mercuryrub against the glass tube, and aredelayedby it, so that themiddlepartsinks fasterthan thesides.
A. The sides of the mercuryrub against the glass tube, and aredelayedby it, so that themiddlepartsinks fasterthan thesides.
Q.What effect does athunder-stormproduce on the weather?A. Thunder is generallypreceded by hotweather, andfollowed by coldand showery weather.
Q.What effect does athunder-stormproduce on the weather?
Q.What effect does athunder-stormproduce on the weather?
A. Thunder is generallypreceded by hotweather, andfollowed by coldand showery weather.
A. Thunder is generallypreceded by hotweather, andfollowed by coldand showery weather.
Q.What effect does asudden changeproduce on the weather?A. A great and sudden change (either from hot to cold, or from cold to hot) is generally followedby rain within 24 hours.
Q.What effect does asudden changeproduce on the weather?
Q.What effect does asudden changeproduce on the weather?
A. A great and sudden change (either from hot to cold, or from cold to hot) is generally followedby rain within 24 hours.
A. A great and sudden change (either from hot to cold, or from cold to hot) is generally followedby rain within 24 hours.
Q.Why is a suddenchangefromhottocoldfollowed byrain?A. The coldcondenses the airand its vapour; which, being condensed and squeezed out,falls in rain.
Q.Why is a suddenchangefromhottocoldfollowed byrain?
Q.Why is a suddenchangefromhottocoldfollowed byrain?
A. The coldcondenses the airand its vapour; which, being condensed and squeezed out,falls in rain.
A. The coldcondenses the airand its vapour; which, being condensed and squeezed out,falls in rain.
Q.Why is a suddenchangefromcoldtohotfollowed byrain?A. Because the air isquickly saturated with moisture; and as soon asnightcomes on, the temperature islowered again, and some of the abundant moisture falls in rain.
Q.Why is a suddenchangefromcoldtohotfollowed byrain?
Q.Why is a suddenchangefromcoldtohotfollowed byrain?
A. Because the air isquickly saturated with moisture; and as soon asnightcomes on, the temperature islowered again, and some of the abundant moisture falls in rain.
A. Because the air isquickly saturated with moisture; and as soon asnightcomes on, the temperature islowered again, and some of the abundant moisture falls in rain.
Q.Why is the air quicklysaturatedwithmoisture, whenheatsucceeds rapidly fromcold?A. Because the evaporation (whichwas checked by the cold) iscarried on very rapidly, in consequence of thediminished pressureof the air.(N. B. Theless the pressureof the air, the morerapidly it evaporatesmoisture.)
Q.Why is the air quicklysaturatedwithmoisture, whenheatsucceeds rapidly fromcold?
Q.Why is the air quicklysaturatedwithmoisture, whenheatsucceeds rapidly fromcold?
A. Because the evaporation (whichwas checked by the cold) iscarried on very rapidly, in consequence of thediminished pressureof the air.(N. B. Theless the pressureof the air, the morerapidly it evaporatesmoisture.)
A. Because the evaporation (whichwas checked by the cold) iscarried on very rapidly, in consequence of thediminished pressureof the air.
(N. B. Theless the pressureof the air, the morerapidly it evaporatesmoisture.)
Q.When does the barometervary most?A. In winter time.
Q.When does the barometervary most?
Q.When does the barometervary most?
A. In winter time.
A. In winter time.
Q.Why does the barometer varymoreinwinterthan insummertime?A. Because thedifference of temperaturebetween the torrid and temperate zones isso great, that the state of the air is perpetuallydisturbedby their mixing together.
Q.Why does the barometer varymoreinwinterthan insummertime?
Q.Why does the barometer varymoreinwinterthan insummertime?
A. Because thedifference of temperaturebetween the torrid and temperate zones isso great, that the state of the air is perpetuallydisturbedby their mixing together.
A. Because thedifference of temperaturebetween the torrid and temperate zones isso great, that the state of the air is perpetuallydisturbedby their mixing together.
Q.When does the barometervary least?A. In summer time.
Q.When does the barometervary least?
Q.When does the barometervary least?
A. In summer time.
A. In summer time.
Q.Why does the barometer varylessinsummerthan inwintertime?A. Because the temperature of our island isso nearly equalto that of the torrid zone, that its state isnot much disturbedby interchange of currents.
Q.Why does the barometer varylessinsummerthan inwintertime?
Q.Why does the barometer varylessinsummerthan inwintertime?
A. Because the temperature of our island isso nearly equalto that of the torrid zone, that its state isnot much disturbedby interchange of currents.
A. Because the temperature of our island isso nearly equalto that of the torrid zone, that its state isnot much disturbedby interchange of currents.
Q.What effect haswindon the barometer?A.Northandeastwinds make the mercuryrise; allotherwinds make itsink; butsouthandwestwinds make itsink lowerthan any other winds.
Q.What effect haswindon the barometer?
Q.What effect haswindon the barometer?
A.Northandeastwinds make the mercuryrise; allotherwinds make itsink; butsouthandwestwinds make itsink lowerthan any other winds.
A.Northandeastwinds make the mercuryrise; allotherwinds make itsink; butsouthandwestwinds make itsink lowerthan any other winds.
Q.Haveheatandcoldany effect on the barometer?A. No, not ofthemselves; but becausecoldweather is generally eitherdry, orrough with north-east winds, therefore the mercuryrisesin cold weather; and because warm weather is oftenmoistorfanned by south-west winds, therefore, the mercury sinks.
Q.Haveheatandcoldany effect on the barometer?
Q.Haveheatandcoldany effect on the barometer?
A. No, not ofthemselves; but becausecoldweather is generally eitherdry, orrough with north-east winds, therefore the mercuryrisesin cold weather; and because warm weather is oftenmoistorfanned by south-west winds, therefore, the mercury sinks.
A. No, not ofthemselves; but becausecoldweather is generally eitherdry, orrough with north-east winds, therefore the mercuryrisesin cold weather; and because warm weather is oftenmoistorfanned by south-west winds, therefore, the mercury sinks.
Q.Why is the mercury of a barometerlowerin thetorridthan in thefrigidzones?A. Because the warm air of the torrid zone contains much morevapourthan the condensed air of the frigid zone; and themoisterthe air, theless is its pressure.
Q.Why is the mercury of a barometerlowerin thetorridthan in thefrigidzones?
Q.Why is the mercury of a barometerlowerin thetorridthan in thefrigidzones?
A. Because the warm air of the torrid zone contains much morevapourthan the condensed air of the frigid zone; and themoisterthe air, theless is its pressure.
A. Because the warm air of the torrid zone contains much morevapourthan the condensed air of the frigid zone; and themoisterthe air, theless is its pressure.
Q.In whatmonthsis the barometerhighest?A. In May and August; next to these, in June, March, September, and April.
Q.In whatmonthsis the barometerhighest?
Q.In whatmonthsis the barometerhighest?
A. In May and August; next to these, in June, March, September, and April.
A. In May and August; next to these, in June, March, September, and April.
Q.In whatmonthsis the barometerlowest?A. In November and February; then in October, July, December, and January.
Q.In whatmonthsis the barometerlowest?
Q.In whatmonthsis the barometerlowest?
A. In November and February; then in October, July, December, and January.
A. In November and February; then in October, July, December, and January.
Q.What are thedriestmonths?A. March and June; then May and August; then April and November.
Q.What are thedriestmonths?
Q.What are thedriestmonths?
A. March and June; then May and August; then April and November.
A. March and June; then May and August; then April and November.
Q.What are thewettestmonths?A. October and February; then July and September; then January and December.
Q.What are thewettestmonths?
Q.What are thewettestmonths?
A. October and February; then July and September; then January and December.
A. October and February; then July and September; then January and December.
Q.Why is therelesswet fromMarchtoAugust, than there is from August to March?A. Because theheat is constantly increasing; and the capacity of the air to absorb and retain moisture increases likewise.
Q.Why is therelesswet fromMarchtoAugust, than there is from August to March?
Q.Why is therelesswet fromMarchtoAugust, than there is from August to March?
A. Because theheat is constantly increasing; and the capacity of the air to absorb and retain moisture increases likewise.
A. Because theheat is constantly increasing; and the capacity of the air to absorb and retain moisture increases likewise.
Q.Why is theremorewet fromAugusttoMarch, than there is from March to August?A. Because theheat is constantly decreasing, and the capacity of the air to retain moisture decreases also; so that (although it often rains) yet the air is always on the point of saturation.
Q.Why is theremorewet fromAugusttoMarch, than there is from March to August?
Q.Why is theremorewet fromAugusttoMarch, than there is from March to August?
A. Because theheat is constantly decreasing, and the capacity of the air to retain moisture decreases also; so that (although it often rains) yet the air is always on the point of saturation.
A. Because theheat is constantly decreasing, and the capacity of the air to retain moisture decreases also; so that (although it often rains) yet the air is always on the point of saturation.
Q.Why does the mercury of a barometerrisein afrost?A. Because frostcondenses the air; and condensed air is heavier thanrarefiedair.
Q.Why does the mercury of a barometerrisein afrost?
Q.Why does the mercury of a barometerrisein afrost?
A. Because frostcondenses the air; and condensed air is heavier thanrarefiedair.
A. Because frostcondenses the air; and condensed air is heavier thanrarefiedair.
Q.Why does the mercury of a barometerfallin athaw?A. Because the air is bothwarmer(or more rarefied), and also filled withvapour.
Q.Why does the mercury of a barometerfallin athaw?
Q.Why does the mercury of a barometerfallin athaw?
A. Because the air is bothwarmer(or more rarefied), and also filled withvapour.
A. Because the air is bothwarmer(or more rarefied), and also filled withvapour.
Q.What does asuddenrise or fall of the barometer indicate?A. If therisebe sudden, fine weather will not continue long:If thefallbe sudden, foul weather will not continue long.
Q.What does asuddenrise or fall of the barometer indicate?
Q.What does asuddenrise or fall of the barometer indicate?
A. If therisebe sudden, fine weather will not continue long:If thefallbe sudden, foul weather will not continue long.
A. If therisebe sudden, fine weather will not continue long:
If thefallbe sudden, foul weather will not continue long.
Q.What sort of weather may we expect if the barometer be veryfluctuating?A. If the mercury fluctuates much, the weather will be verychangeable and unsettled.Thefallof the barometer.In veryhotweather, the fall of the mercury denotesthunder.Except in very hot weather, the sudden falling of the barometer denotes high wind.Infrostyweather, the fall of the barometer denotesthaw.Ifwetweather happenssoonafter the fall of the barometer, expect butlittleof it.Inwetweather if the barometer falls, expect much wet.Infairweather, if the barometer falls much andremainslow, expect much wet in a few days, and probablywind.N. B. The barometer sinks lowest of all for wind and rain together, next to that for wind (except it be an east or north-east wind).Theriseof the barometer.Inwinterthe rise of the barometer presagesfrost.Infrostyweather, the rise of the barometer presagessnow.Iffairweather happenssoonafter the rise of the barometer, expect butlittleof it.Inwetweather, if the mercury rises high andremainsso, expect continuedfineweather in a day or two.In wet weather, if the mercury rises suddenly very high, fine weather will not last long.N. B. The barometer rises highest of all for north and east winds; for allotherwinds it sinks.If the barometer beunsettled.If the motion of the mercury beunsettled, expect unsettled weather.If it stand at “much rain” and rise to “changeable,” expectsfair weather of short continuance.If it stand at “fair” and fall to “changeable,” expectfoulweather.N. B. Its motionupwardsindicates the approach of fine weather: its motiondownwardsindicates the approach of foul weather.
Q.What sort of weather may we expect if the barometer be veryfluctuating?
Q.What sort of weather may we expect if the barometer be veryfluctuating?
A. If the mercury fluctuates much, the weather will be verychangeable and unsettled.Thefallof the barometer.In veryhotweather, the fall of the mercury denotesthunder.Except in very hot weather, the sudden falling of the barometer denotes high wind.Infrostyweather, the fall of the barometer denotesthaw.Ifwetweather happenssoonafter the fall of the barometer, expect butlittleof it.Inwetweather if the barometer falls, expect much wet.Infairweather, if the barometer falls much andremainslow, expect much wet in a few days, and probablywind.N. B. The barometer sinks lowest of all for wind and rain together, next to that for wind (except it be an east or north-east wind).Theriseof the barometer.Inwinterthe rise of the barometer presagesfrost.Infrostyweather, the rise of the barometer presagessnow.Iffairweather happenssoonafter the rise of the barometer, expect butlittleof it.Inwetweather, if the mercury rises high andremainsso, expect continuedfineweather in a day or two.In wet weather, if the mercury rises suddenly very high, fine weather will not last long.N. B. The barometer rises highest of all for north and east winds; for allotherwinds it sinks.If the barometer beunsettled.If the motion of the mercury beunsettled, expect unsettled weather.If it stand at “much rain” and rise to “changeable,” expectsfair weather of short continuance.If it stand at “fair” and fall to “changeable,” expectfoulweather.N. B. Its motionupwardsindicates the approach of fine weather: its motiondownwardsindicates the approach of foul weather.
A. If the mercury fluctuates much, the weather will be verychangeable and unsettled.
Thefallof the barometer.
In veryhotweather, the fall of the mercury denotesthunder.
Except in very hot weather, the sudden falling of the barometer denotes high wind.
Infrostyweather, the fall of the barometer denotesthaw.
Ifwetweather happenssoonafter the fall of the barometer, expect butlittleof it.
Inwetweather if the barometer falls, expect much wet.
Infairweather, if the barometer falls much andremainslow, expect much wet in a few days, and probablywind.
N. B. The barometer sinks lowest of all for wind and rain together, next to that for wind (except it be an east or north-east wind).
Theriseof the barometer.
Inwinterthe rise of the barometer presagesfrost.
Infrostyweather, the rise of the barometer presagessnow.
Iffairweather happenssoonafter the rise of the barometer, expect butlittleof it.
Inwetweather, if the mercury rises high andremainsso, expect continuedfineweather in a day or two.
In wet weather, if the mercury rises suddenly very high, fine weather will not last long.
N. B. The barometer rises highest of all for north and east winds; for allotherwinds it sinks.
If the barometer beunsettled.
If the motion of the mercury beunsettled, expect unsettled weather.
If it stand at “much rain” and rise to “changeable,” expectsfair weather of short continuance.
If it stand at “fair” and fall to “changeable,” expectfoulweather.
N. B. Its motionupwardsindicates the approach of fine weather: its motiondownwardsindicates the approach of foul weather.