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Integrated Science Chapter 20 Name _____________________________ Worksheet 1 Block _________________________ Match the definition to the correct word or term _____ 1. transpiration A. the continuous movement of water from the atmosphere to Earth and back _____ 2. mesosphere B. the surface features of Earth _____ 3. front _____ 4. ionosphere _____ 5. barometric pressure _____ 6. temperature inversion _____ 7. greenhouse effect _____ 8. topography _____ 9. thermosphere _____ 10. dew point _____ 11. climate _____ 12. stratosphere _____ 13. isobar _____ 14. precipitation _____ 15. troposphere _____ 16. coriolis effect P. the atmospheric layer above the mesosphere _____ 17. water cycle Q. the general weather conditions over many years _____ 18. ozone R. the pressure due to the weight of the atmosphere C. the form of atmospheric oxygen that has three atoms per molecule D. the change in the direction of an object’s path due to Earth’s rotation E. the atmospheric condition in which warm air traps cooler air near Earth’s surface F. the temperature at which water vapor molecules start to form liquid water G. the atmospheric layer closest to Earth’s surface where nearly all weather occurs H. the boundary between air masses of different densities I. the layer of the atmosphere that extends upward from the troposphere to an altitude of 50 km J. the evaporation of water through pores in a plant’s leaves K. the coldest layer of the atmosphere; located above the stratosphere L. a line on a weather map connecting points of equal barometric pressure M. the area in the upper mesosphere and lower thermosphere where electrically charge ions are formed N. the process by which the atmosphere traps some of the energy from the sun in the troposphere O. any form of water that falls back to Earth’s surface from clouds Circle the letter that corresponds to the correct answer 19. Around Los Angeles, frequent temperature inversions are the result of cool, polluted air being trapped by a. acid rain b. a layer of warmer air c. a thunderstorm d. the ocean 20. The ____________ is the process in which the atmosphere traps warning solar energy near Earth’s surface a. summer solstice b. coriolis effect c. greenhouse effect d. water cycle 21. Almost all the water vapor in the atmosphere is in the ________________ e. exosphere f. ionosphere g. stratosphere h. troposphere 22. The addition of ______________ to the atmosphere by the burning of fossil fuels for cars, machinery, and power plants may lead to global warming a. gasoline b. CFCs c. Oxygen d. Carbon dioxide 23. CFCs, chemicals that are used as refrigerants and propellants in spray cans, are partly to blame for the reduction of ______________ in the stratosphere a. carbon dioxide b. oxygen c. ozone d. clouds 24. Clouds form when water vapor in the air condenses as __________________ a. the air is heated b. the air is cooled c. snow falls d. snow forms 25. When air temperature drops, the air’s ability to contain water vapor is ____________________ a. slightly higher b. much higher c. about the same d. lower 26. winds in the Northern Hemisphere curve to the right because of __________________ a. isobars b. climate c. the Coriolis effect d. CFCs 27. Cumulonimbus and nimbostratus clouds both______________________ a. appear white and puffy b. produce precipitation c. occur at high altitudes d. look thin and wispy 28. ______________ are lines on a weather map that connect points of equal pressure a. isobars b. isotherms c. highs d. lows 29. When a moving warm air mass encounters a mountain range, it ___________ a. stops moving b. slows and sinks c. rises and cools d. reverses direction 30. If you hear on the radio that a tornado is approaching, you should_____________ a. head to high ground b. attempt to drive away from the tornado c. sit in the center of the basement d. hold onto a solid object, such as a tree Answer the following questions 31. Compare Earth’s early atmosphere with its present atmosphere. 32. Distinguish between humidity and relative humidity. 33. Determine whether a tornado is more likely to form along a cold front or a warm front.
