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Week 3B Quiz: Air mass and Fronts Name: ___________________________________________________ Period: _____ Date: _______ Instructions: Write the letter of your answer on the space provided. Set A Use the following choices to answer items 1-8. You can use the choices below more than once. A. Continental polar air mass B. Maritime polar air mass C. Continental tropical air mass D. Maritime tropical air mass ___ 1. Warm and humid air mass. ___ 2. Warm and dry air mass. ___ 3. Cold and dry air mass. ___ 4. Cold and humid air mass. ___5. Air mass coming from Canada ___6. Air mass coming from Mexico ___ 7. Air masses from the Pacific and Atlantic ocean close to the north pole. ___8. Air masses from the Pacific and Atlantic ocean close to the equator. Use the following choices to answer items 9-20. You can use the choices below more than once. A. warm front B. stationary front C. cold front D. occluded front ___ 9. Slowly moving warm air mass collides with a slowly moving cold air mass. ___10. Rapidly moving cold air mass runs into slowly moving warm air mass. ___ 11. Neither cold air mass nor warm air mass are moving. ___ 12. Warm air mass is caught between two cooler air masses. ___ 13. Cumulonimbus clouds, thunderstorms and possibly a tornado ___ 14. Precipitation that can lead to flooding ___ 15. Cold front overtakes a warm front. ___ 16. Light or moderate precipitations. ___ 17. ___ 18. ___19. ___ 20. ___21. A/an _____________ is a large body of air that has the same properties as the Earth's surface over which it develops and has the same density and moisture content. A. front B. air mass C. cloud D. tornado ___22. The boundary between cold and warm air masses is called a/an A. Flood B. Front C. Climate D. Storm ___23. When a warm air mass and a cold air mass meet, but they push at each other and neither one can move. A. Warm front B. Cold front C. Occluded front D. Stationary front ___24. When a warm air mass is trapped between two cooler air masses, it is called a/an A. Warm front B. Cold front C. Occluded front D. Stationary front ___25. What type of weather system brings stormy weather? A. Low pressure B. High pressure ___26. What type of front passed if the weather was stormy for a short time then becomes cooler? A. Stationary front B. Cold front C. Warm front ___ 27. Along a front, which air is always forced aloft? A. cooler, denser air B. warmer, less dense air C. driest air ___28. A front usually marks a change in weather. A. True B. False Use the figure on the right to answer items 29-34. You can use the choices below more than once. A. maritime polar B. maritime tropical Locate these in the chart on the right side. C. continental polar D. continental tropical Type of Air Mass A 29. ___ B C D E F 30. ___ 31. ___ 32. ___ 33. ___ 34. ___ Use the following choices to answer items 35-39. You can use the choices below more than once. A. convection B. conduction C. radiation ___35. Warm air moving upward from the equator towards the pole. ___36. Solar energy traveling in space. ___37. Heat absorbed by rocks and minerals. ___38. Swirling liquid iron in the outer core resulting to earth’s magnetic field. ___39. Rising hot magma from the asthenosphere resulting to plate movements. ___40. What is the major difference between weather and climate? A. air temperature B. air pressure C. humidity D. time ___41. Which of the following is an example of climate? A. The average temperature in a Winston Salem, NC over the past 24 hours. B. The average temperature in Winston Salem, NC over the past 30 years. ___42. Which type of heat transfer moves warm water away from the equator? A. conduction B. convection C. radiation D. inversion ___43. How are hurricanes and tornadoes related to air masses? A. They form where air masses meet. B. They form within air masses. ___44. A/an _________________is a place where air masses meet A. air mass B. weather C. weather front D. climate