Download Weather Test Study Guide Multiple Choice (The correct answer is in

Weather Test Study Guide
Multiple Choice (The correct answer is in bold and underlined.)
1. Air takes up space and has weight so it is matter.
2. Cooler air sinks.
3. Areas where pressure is lower than the surrounding air are called low pressure areas.
4. Any form of water that falls from the air to the Earth’s surface is called precipitation.
5. The amount of water vapor in the air is called humidity.
6. The lowest layer of the atmosphere is the troposphere.
7. A cloud that touches the Earth is called fog.
8. When water changes from a liquid to a gas, it evaporates.
9. The movement of air is called wind.
10. Areas where pressure is higher than the surrounding air are called high pressure areas.
11. The push of air against its surroundings is called air pressure.
12. Warm air rises.
13. Weather occurs in the layer of the atmosphere called the troposphere.
14. When water changes from a gas to a liquid it condenses.
15. The blanket of air that surrounds the Earth is the atmosphere.
16. The difference in air pressure between areas can cause wind.
17. What instrument is used to measure wind speed? anemometer
18. What instrument is used to measure wind direction? wind vane
19. What instrument is used to measure the amount of precipitation? rain gauge
20. What instrument is used to measure air pressure? barometer
Short Answer (Suggested answer is in bold and underlined).
21. What causes land and sea breezes? The uneven heating of land and water causes land
and sea breezes.
22. Name four types of precipitation. Four types of precipitation are rain, snow, sleet and
hail.
23. How do clouds form? Clouds form when water vapor in the air condenses.
Bonus Questions (The correct answer is in bold and underlined.)
24. Modern windmills that produce electricity are called wind turbines.
25. The process in which heat from the Earth is trapped by the atmosphere is called the
greenhouse effect.
26. Air is a mixture of gases such as oxygen, nitrogen, water vapor and carbon dioxide.
27. What is the difference between relative humidity and absolute humidity? Absolute
humidity is the amount of water vapor the air can hold. Relative humidity is the
amount of water vapor that is actually in the air.