. Define the following:
a. Wind
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________________________________________________________________________
b. Breeze
________________________________________________________________________
________________________________________________________________________
c. Storm
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d. Air
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Q2. Fill in the blanks:
1. The __________________ is responsible for causing changes in the weather.
2. __________________ is all around us.
3. At night, the __________________ is cooler so the land cools faster than the sea.
4. Air is needed to __________________ things like wood and paper.
5. Changes in seasons is caused due to __________________.
6. __________________ is a mixture of gases.
7. In coastal areas, these air currents are responsible for causing sea and
__________________ breeze.
8. When __________________ become too heavy, they fall as rain.
9. __________________is the condition of air surrounding us with respect to temperature,
wind and rain at a particular place or time.
10. __________________ and __________________ are the two main gases present in the
air.
11. __________________ forms a protective blanket around the earth.
12.The part of the earth near the sun will have longer and __________________ days.
13.__________________ and __________________ are present in trace amounts in the
atmosphere.
14.The continuous movement of air from hot to cold regions and vice versa is called
__________________.
15.The amount of water vapour in the air is called __________________.
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Answer:
- Wind is the flow of gases on a large scale. On the surface of the Earth, wind consists of the bulk movement of air. ... In meteorology, winds are often referred to according to their strength, and the direction from which the wind is blowing. Short bursts of high speed wind are termed gusts.
- Breeze, air current designation on the Beaufort scale; it is weaker than a gale. ... They may be reinforced or prevented by winds of passing pressure systems. When the valley floor warms during the day, warm air rises up the slopes of surrounding mountains and hills to create a valley breeze.
- a disturbance of the atmosphere marked by wind and usually by rain, snow, hail, sleet, or thunder and lightning.
- the mixture of gases that surrounds the earth and that people, animals and plants breath.
1.air
2.prepare
3.revolution
4.air
5.land
6.cloud
7.day
8.oxygen and Nitrogen
9.air
10.hotter
11.helum ,Oxygen
12.climate
13.humidity
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