Fill in the Blanks :-
1. The moving air is called ____________.
2. Winds are generated due to ____________ heating on the earth.
3. When wind blows lightly, it is known as _____________.
4. Air moves from a region of ______________ pressure to a region of _______________ pressure.
5. Speed of wind is measured by _______________.
6. Air pressure is measured by ______________.
7. The tyre of a vehicle would burst if the pressure inside the tube is ____________ than the atmospheric pressure.
___________________________________
True or False :-
1. Air exerts pressure on all objects.
2. Air pressure is reduced when speed of wind is high.
3. In winter, the wind blows from the sea to the land.
4. Thunderstorms are revolving storms.
5. During thunderstorm, we should take shelter below a cluster of trees and below a single big tree in an open area.
6. The coastline of India is not vulnerable to cyclones.
7. Landspout and waterspout are tornadoes.
8. Tornadoes can be very dangerous to life and property.
Answers
Explanation:
1 wind
2 unequal
3 breeze
4. higher , lower
true false
1 true
4. true
5. false
8. true
Answer ::
★ Fill in the Blanks :-
1. The moving air is called wind.
2. Winds are generated due to uneven heating on the earth.
3. When wind blows lightly, it is known as breeze.
4. Air moves from a region of high pressure to a region of low pressure.
5. Speed of wind is measured by anemometer.
6. Air pressure is measured by barometer.
7. The tyre of a vehicle would burst if the pressure inside the tube is under high pressure than the atmospheric pressure.
___________________________
★ True or False :-
1. Air exerts pressure on all objects.
Answer:- True
2. Air pressure is reduced when speed of wind is high.
Answer:- False
3. In winter, the wind blows from the sea to the land.
Answer:- False
Reason: In winter, the wind blows from the land to the sea.
4. Thunderstorms are revolving storms.
Answer:- False
Reason: Cyclones are revolving storms.
5. During thunderstorm, we should take shelter below a cluster of trees and below a single big tree in an open area.
Answer:- False
Reason: During thunderstorm, we should not take shelter below a cluster of trees and not below a single big tree in an open area.
6. The coastline of India is not vulnerable to cyclones.
Answer:- False
Reason: The coastline of India is vulnerable to cyclones.
7. Landspout and waterspout are tornadoes.
Answer:- True
8. Tornadoes can be very dangerous to life and property.
Answer:- True.