Name: _________________________________________________________________________ Period: ___________ Unit 4 Lessons 3 Review (Influences of Weather) (85) Matching: A. Tropical B. Maritime C. Polar D. Continental _______ 1. Cold air mass from North _______ 2. Air mass that forms over land _______ 3. Warm air from the tropics _______ 4. Air mass that forms over oceans 5. Draw a cold front, warm front, and a stationary front. Label warm and cool air masses. Draw an arrow to show the movement of the air. Cold Warm Stationary 6. What weather comes before a cold front? __________________________________________________ 7. What weather follows a cold front? _________________________________________________________ 8. What weather comes before a warm front? _________________________________________________ 9. What weather follows a warm front? ________________________________________________________ 10. What does density have to do with fronts? 11. What kind of temperature (warm or cold) and humidity (wet or dry) will each air mass bring to the United States? Circle the correct temperature and humidity. Air mass A Warm/ Cold Dry/Wet Air mass B Warm/ Cold Dry/Wet Air mass C Warm/ Cold Dry/Wet Air mass D Warm/ Cold Dry/Wet Air mass E Warm/ Cold Dry/Wet Air mass F Warm/ Cold Dry/Wet 12. Fill in the chart below. Low pressure Air is rising or sinking? Winds movement counter -clockwise or clockwise? Weather associated with the pressure system cloudy or clear? High pressure 13. Condensation – 14. Evaporation – 15. Precipitation – 16. Humidity – 17. Barometer – 18. When the barometer is falling what weather could occur? 19. When the barometer is rising what weather could occur? 20. Where do cold water currents come from? ______________________________ What affect do they have on the coastal regions they flow by? 21. Where do warm water currents come from? ___________________________ What affect do they have on the coastal regions they flow by? 22. Infrared radiation – 23. Ultraviolet radiation – 24. Water cycle -