Chapter 18 19 Review 1 What is the

1. What is the general term for the amount of water vapor in the

2. During which process does water vapor change to the liquid state A. B.

3. The ratio of air’s actual water vapor content to the amount of water

4. Visible mixtures of tiny water droplets or ice crystals suspened in air are

5. Air that has a relative humidity of 100% is said to be: A.

6. Compared to clouds, fogs are: A. B. C. D. A different composition At

7. Which of the following clouds are high, white, and thin A. B. C.

8. Which of the following words means “rainy cloud” A. B. C. D. Cirrus

9. Which of the following substances changes from one state of matter to another

10. Which of the following forms when supercooled raindrops freeze on contact with solid

11. Which of the following sources of cloud formation comes from mountains pushing air

12. Clouds that are middle latitude clouds have this word included: A. B. C.

13. What happens to air when it is compressed? A. B. C. D. Gets

14. The rate of change of air temperature with height is called A. B.

15. Hail is produced by these types of clouds: A. B. C. D. Cumulostratus

16. The force exerted by the air above is called: A. B. C. D.

17. What are centers of low pressure called? A. B. C. D. Air masses

18. Variations in air pressure from place to place are the principal cause of:

19. Which of the following devices measures air pressure? A. B. C. D. Psychrometer

20. Which of the following measures wind speed? A. B. C. D. Psychrometer Hygrometer

21. Weak pressure and light winds are indicated by: A. B. C. D. Closely

22. Which of the following is NOT a major factor that controls wind: A.

23. High altitude, high velocity winds are called: A. B. C. D. Cyclonic currents

24. Rising air is associated with: A. B. C. D. E. Cloud formation Clear

25. The wind that blows more often from one direction than any other is

26. What kind of pressure system creates bad weather? A. B. C. D. Warm

27. Where is the only continuous pressure belt found? A. B. C. D. E.

28. Which types of clouds look like layers A. B. C. D. Cirrus Cumulonimbus

29. The Coriolis Effect says that moving objects in the Northern Hemisphere are deflect

30. What has to happen for condensation to occur? A. B. C. D. Air

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Chapter 18 & 19 Review

1. What is the general term for the amount of water vapor in the air? A. B. C. D. Capacity Humidity Condensation Saturation

2. During which process does water vapor change to the liquid state A. B. C. D. Condensation Evaporation Melting sublimation

3. The ratio of air’s actual water vapor content to the amount of water vapor need for saturation is: A. B. C. D. Adiabatic rate Dew point Relative humidity Water capacity

4. Visible mixtures of tiny water droplets or ice crystals suspened in air are called: A. B. C. D. Clouds Hail Dew sleet

5. Air that has a relative humidity of 100% is said to be: A. B. C. D. Dry Stable Saturated unstable

6. Compared to clouds, fogs are: A. B. C. D. A different composition At lower altitudes Colder thicker

7. Which of the following clouds are high, white, and thin A. B. C. D. Cirrus Nimbostratus Cumulus stratus

8. Which of the following words means “rainy cloud” A. B. C. D. Cirrus Nimbus Cumulus stratus

9. Which of the following substances changes from one state of matter to another at temperatures and pressures experienced at Earth’s surface? A. B. C. D. Carbon dioxide Nitrogen Oxygen Water

10. Which of the following forms when supercooled raindrops freeze on contact with solid objects near Earth’s surface? A. B. C. D. Glaze Sleet Hail Snow

11. Which of the following sources of cloud formation comes from mountains pushing air up A. B. C. D. Orographic lifting Frontal wedging Convergence Localized convective lifting

12. Clouds that are middle latitude clouds have this word included: A. B. C. D. Stratus Alto Cumulus nimbo

13. What happens to air when it is compressed? A. B. C. D. Gets bigger Gets smaller Cools Warms

14. The rate of change of air temperature with height is called A. B. C. D. Dry adiabatic rate Rate of change Wet adiabatic rate Environmental lapse rate

15. Hail is produced by these types of clouds: A. B. C. D. Cumulostratus Cumulonimbus Altonimbus cirrus

16. The force exerted by the air above is called: A. B. C. D. Air pressure Convergence Divergence The Coriolis effect

17. What are centers of low pressure called? A. B. C. D. Air masses Cyclones Anticyclones Jet streams

18. Variations in air pressure from place to place are the principal cause of: A. B. C. D. Clouds Hail Lows Winds

19. Which of the following devices measures air pressure? A. B. C. D. Psychrometer Hygrometer Anemometer Barometer

20. Which of the following measures wind speed? A. B. C. D. Psychrometer Hygrometer Anemometer Barometer

21. Weak pressure and light winds are indicated by: A. B. C. D. Closely spaced isobars Widely spaced isobars Closely spaced isotherms Widely spaced isotherms

22. Which of the following is NOT a major factor that controls wind: A. B. C. D. Coriolis Effect Temperature Friction Pressure differences

23. High altitude, high velocity winds are called: A. B. C. D. Cyclonic currents Isobars Jet streams Pressure gradients

24. Rising air is associated with: A. B. C. D. E. Cloud formation Clear skies Precipitation Both A & B Both A & C

25. The wind that blows more often from one direction than any other is called: A. B. C. D. Majority wind Westerlies Prevailing wind Widespread wind

26. What kind of pressure system creates bad weather? A. B. C. D. Warm Cold High Low

27. Where is the only continuous pressure belt found? A. B. C. D. E. Northern Hemisphere subpolar low Southern Hemisphere subpolar low Northern Hemisphere subtropical low Southern Hemisphere polar Tropics

28. Which types of clouds look like layers A. B. C. D. Cirrus Cumulonimbus Stratus

29. The Coriolis Effect says that moving objects in the Northern Hemisphere are deflect to the A. B. C. D. Left Right Bottom Top

30. What has to happen for condensation to occur? A. B. C. D. Air has to have a dry adiabatic rate Air must be sinking Air must be getting warmer Must be saturated