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Weather

Air, Water, and Weather Std IV

QuestionAnswer
Weather Weather is the condition of the atmosphere surrounding us at a particular time, in terms of temperature, atmospheric pressure, wind and moisture. The weather can be hot, cold, windy, dry or humid.
Rotation of the earth on its axis causes Day and night
When the earth revolves around the sun, one half of it is _____________ and the other half is _______________________. close to the sun away from it
The part of the earth that is closer to the sun has ___________________ days Longer and warmer.
Season in the part of earth that is closer to the sun Summer
The part of the earth that is away from the sun has ___________________ days Cooler and shorter
Season in the part of earth that is away from the sun Winter
What causes seasons? Revolution of the earth around the sun
The movement of the wind is affected by The heat of the sun
_______________ heats up the air The heat of the sun
After heating, the air ____________________. The cool air, which is ___________, ________________________ becomes lighter and rises lighter moves in to take its place
The heat of the sun changes water into _____________________ water vapour
The water vapour rises and forms _____________. Clouds
When the clouds become too heavy, they __________________. fall as rain
Water vapour falls as __________________ when the atmosphere is extremely cold Snow
Created by: Moi.A
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