Earth Science

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Across
  1. 1. thick haze caused by sunlight on polluted air
  2. 4. moving around another object
  3. 6. state of the atmosphere at a certain place and time
  4. 8. motion motion that seems to be happening but isn’t
  5. 10. force that pulls one object towards another
  6. 12. water and pollutants that flow from the land by water
  7. 15. a huge, slow-moving mass of ice
  8. 16. how the moon appears from earth
  9. 18. a group of stars that form a particular shape in the sky and has been given a name
  10. 19. the movement of rock or soil caused by wind, water, or ice
  11. 21. resources materials that may run out because they cannot be replaced quickly
  12. 23. careful use and protection of natural resources
  13. 24. a ball of hot gases that gives off light and energy
  14. 28. energy resources an energy source that is not being replaced quickly enough and will run out (coal, gas, oil)
  15. 29. reefs an ocean ridge made up of coral that is home to many small animals
  16. 30. spinning around on an axis
  17. 33. energy resources an energy source that is constantly being replaced and won’t run out (sun, wind, water)
  18. 34. the path a revolving body takes
  19. 35. contains all of the gases in the air
  20. 36. contains all of the living things on Earth
  21. 37. changes from a gas to a liquid
Down
  1. 1. junk material left behind by humans in outer space
  2. 2. pattern of the weather in an area over a long period of time
  3. 3. plants growing in an area
  4. 4. using materials again
  5. 5. forests growing trees and other plants grown on tall buildings
  6. 7. contains all of the Earth’s liquid
  7. 9. changing from a liquid to a gas
  8. 11. shadow area on the dry side of a mountain where little rain falls
  9. 13. water held under ground, in the soil and between rocks
  10. 14. currents steady flows of ocean water
  11. 17. removal of all trees within an area
  12. 20. the laying down of sediment and rock in new places
  13. 22. imaginary line running through the north and south poles
  14. 25. the science or activities of cultivating soil, producing crops, and raising livestock
  15. 26. the complete motion of one object around another object
  16. 27. a strong wind that changes direction with the seasons causing wet and dry seasons
  17. 31. contains all of the Earth’s rock
  18. 32. resources materials that will not run out because they are continually being replaced