Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
8th Grade Ch 7, 8, 9
| 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 |
Created by:
misschapman