8th Grade Ch 7, 8, 9 Word Scramble

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Question	Answer
1. An abrupt discharge of electricity through the air:	lightning
2. The state of the atmosphere at a certain time and place:	weather
3. The long, narrow lines of thunderstorms in a hurricane:	rain bands
4. A localized storm involving lightning, thunder, strong winds, and heavy rain:	thunderstorm
5. A concentrated downward blast of wind:	downburst
6. A long line of advancing thunderstorms, usually moving ahead of a cold front:	squall line
7. Lines of equal pressure on a weather map:	isobars
8. A rotating column of air that starts on the ground and is not associated with a cloud:	dust devil
9. Measures the distance from the ground to the base of the clouds:	ceilometer
10. Indicates the direction of wind:	weather vane
11. Measures the amount of precipitation:	rain gauge
12. Uses radio waves to detect objects and measure their distance:	radar
13. Measures wind speed:	anemometer
14. Measures atmospheric pressure:	barometer
15. Measures air temperature:	thermometer
16. Measures relative humidity:	hygrometer
17. A weather instrument that measures and transmits meteorological data from weather balloons to weather stations:	radiosonde
18. The center of a hurricane:	eye
19. A tornado that forms over water:	waterspout
20. Maps that give a summary of the weather conditions throughout the entire country at a single point in time:	surface weather charts
21. “Lines of equal heat” are known as:	isotherms
22. Air that is warm near the ground but very cold at higher altitudes:	unstable
23. A single updraft system in a thunderstorm:	cell
24. The rapidly swirling cloud that is the most distinctive visual of a tornado:	condensation funnel
25. Hurricanes are ranked on the ____________________ Hurricane Wind scale.	saffir-simpson
26. Tornadoes are classified using the Enhanced ___________________ scale.	Fujita
27. A circulating spiral of wind around a low-pressure system is a _____________________.	cyclone
28. Air flowing down a mountain’s slope due to differences in temperature and pressure is an _________ wind.	katabatic
29. The extremely powerful radiation that comes from deep space is called:	cosmic rays
30. In clouds with temperatures above the freezing point, rain forms by the:	collision-coalescence
31. What is the movement of water from the earth’s surface, into the air, and back to the surface?	water cycle
32. What is the coldest point in the atmosphere?	mesopause
33. The boundary formed when a cold air mass moves into the territory of a warm air mass is a(n) ______ front.	cold front
34. A thick, brownish haze that results from vehicles and factories:	photochemical smog
35. The convection cell that exists between the equator and 30 degrees:	Hadley
36. Surface winds that blow from high-pressure regions toward the equator:	trade winds
37. Which type of UV radiation is the least harmful?	UVA
38. Which type of cloud is characteristically almond shaped?	lenticular
39. Heat transfer by electromagnetic waves is:	radiation
40. What is the most abundant gas in the homosphere?	nitrogen
41. The boundary between two air masses is:	front
42. What is considered the outermost layer of the atmosphere?	exosphere
43. The shock wave produced as lightning heats the air is:	thunder
44. The most intense type of downburst:	microburst
45. The elevated water level caused by a hurricane’s winds is the:	storm surge
46. The farthest distance at which objects can be distinguished is the:	visibility
47. A narrow funnel of powerful, rapidly whirling wind that stretches from a cloud to the ground is a:	tornado
48. A fierce, single-updraft thunderstorm is a:	supercell
49. A tropical cyclone with wind speeds between 39 mph and 74 mph:	tropical storm
50. What are the 3 major factors that determine weather?	heat energy, uneven distribution of heat energy, water vapor
51. What is water vapor in the air that touches the cooler ground and turns to a liquid:	dew
52. Which air mass brings hot, dry weather?	continental tropical
53. What occurs when an area receives an abnormally low amount of atmospheric water over a long period of time?	drought
54. The water that falls to the earth, including rain, sleet, hail, and snow:	precipitation
55. When the relative humidity is 100% the air is:	saturated
56. What is a large, rotating updraft in a supercell thunderstorm?	mesocyclone
57. The thunderstorm stage marked by the arrival of precipitation is the __________ stage.	mature
58. A wind that reverses its direction from season to season is a:	monsoon
59. A tropical cyclone with wind speeds of 74 mph or more is a:	hurricane
60. What factors affect insolation?	greenhouse effect
61. Which type of clouds are thunderstorm clouds?	cumulonimbus
62. The change in the direction of winds caused by Earth’s rotation is the ___________ effect.	Coriolis
63. Which type of front forms when two air masses push against each other but neither one advances?	stationary front
64. Which of the following measures high-altitude weather conditions?	weather balloon
65. Atmospheric pressure at sea level is ________ psi.	14.7
66. Drops of liquid water that have a diameter of less than 0.5 millimeter and fall from clouds to Earth are _____.	drizzle
67. What forms the brilliant flash of a lightning bolt?	return stroke
68. An electron stream that jerkily travels from a cloud during a thunderstorm is a:	stepped leader

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