Class 7 Geography Chapter 4 Air Quiz 34 (25 MCQs)

Quiz Instructions

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1. How to test the presence of Oxygen?
2. The rougher the surface, the faster an object will travel over the surface.
3. Why is the temperature colder as you move farther away from the equator?
4. What is swirling air called
5. Air helps ..... to fly.
6. ..... from air is used for breathing and burning.
7. Lines on a weather map that connect areas of equal pressure.
8. Which is not combustible substance
9. Creates heavy downpours, thunderstorms, and sometimes violent weather
10. Many new aircraft are built of composite materials.
11. Which of the following is the most dangerous?
12. Air can fill the space.
13. What characteristics are used to classify air masses?
14. Which gas is used as a rocket fuel?
15. Windmills need wind to work.
16. How much % of nitrogen are there in earth
17. Air with a lot of built up pressure can move things with a strong .....
18. True or False:Some Tuskegee Airmen went on to have long careers in the military.
19. The Greek word azote means .....
20. Rough surfaces have .....
21. Which best describes an air mass?
22. Humans and animals need ..... to breathe.
23. Gas that makes up 21% of air
24. The wind blowing around is actually ..... moving from one place to another.
25. ..... pressure systems are characterized by cloudy, rainy weather.