science

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Across
  1. 3. move from areas of high pressure to areas of lower pressure.
  2. 6. The way to find the weight .
  3. 8. pressure less than air.
  4. 9. radiation/ which is an invisible form
  5. 12. to a cooler one.
  6. 15. the lowest part of earth’s atmosphere.
  7. 18. violet light. Ultraviolet radiation can cause sunburns.
  8. 20. Earth’s atmosphere in a process called
  9. 22. waves/ A form of energy that travels through the vacuum of apace
  10. 24. pressure/ The result of weight pushing down.
  11. 26. extends 320 kilometers
  12. 28. of warm air and the downward movement of cool air
  13. 29. Dust-size particles and gases in the atmosphere disperse
  14. 33. extends from 80 kilometers into outer space.
  15. 34. energy with wavelengths that are shorter than wavelengths
  16. 36. effect/These gases in turn hold heat
  17. 37. Ends 50 kilometers in the sky.
  18. 38. the movement of air parallel to Earth’s surface.
  19. 39. transfer of heat between two
  20. 40. that are in direct contact is called
Down
  1. 1. speed can be measured with
  2. 2. The middle layer.
  3. 4. vapor/ water in a gas form
  4. 5. barometer/ The metal chamber is sensitive to changes in the air pressure
  5. 7. how warm something is.
  6. 10. energy/ measures the total energy of motion in the
  7. 11. in all directions, a process called
  8. 13. part of an area's climate
  9. 14. transfer of heat by the movement
  10. 16. a fluid is called
  11. 17. The distance from the sea.
  12. 19. The direct transfer of energy to electromagnetic waves.
  13. 21. barometer/ consists of a long glass tube that is closed at one end and open at the other.
  14. 23. The outermost layer
  15. 25. of a substance.
  16. 27. To see how hot something is.
  17. 30. a layer of gas and suspended by solids
  18. 31. radiation/ has wavelengths that are longer than wavelengths for red light
  19. 32. thermal energy that is transferred from a hotter
  20. 35. currents/The upward