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chapter 6.2 packet
25 questions
Question | Answer |
---|---|
1. in what form does solar energy travel to earth. | ultraviolet, visible, and infrared. |
2. what is the difference between stable and unstable air. | unstable- ground level air is much warmer than high altitude air. stable- a layer of cooler air is trapped by a layer of warmer air above it. |
3. what is the term for the transfer of energy by electromagnetic waves. | radiation |
4. how do wavelengths of infrared light compare to wavelengths of ultraviolet light. | infrared light has longer wavelengths and UV light has short wavelengths. |
5. how does the atmospheric ozone layer protect earth. | it absorbs or reflects the UV light. |
6. about how much incoming solar radiation is absorbed by earths atmosphere. | 20% |
7. how do bright surfaces on earth affect what happens to incoming sunlight. | they reflect incoming radiation. |
8. about how much incoming solar radiation reaches earths surface and is absorbed. | 50% |
9. what is absorbed radiation reemitted as. | heat. |
10. the warming rays of the sun. | radiation. |
11. the flow of ocean currents. | convection. |
12. a branding iron making a mark. | conduction. |
13. hot feet from hot sand. | conduction. |
14. a cool breeze. | convection. |
15. heat from glowing coals. | radiation. |
16. high altitude air streams. | convection. |
17. the warmth of a heating pad. | conduction. |
18. water freezing. | release of thermal energy. |
19. ice melting. | absorption of thermal energy. |
20. water evaporating. | absorption of thermal energy. |
21. water vapor condensing. | release of thermal energy. |
22. ninety-nine percent of the radiation earth receives from the sun is ________. | ultraviolet and infrared radiation. |
23. about 20 percent of the radiation from the sun is ________. | absorbed by particles in the atmosphere. |
24. about 25 percent of radiation from the sun is _______. | reflected by clouds and particles. |
25. about 5 percent of the radiation from the sun is _________. | reflected by land and sea surfaces. |