8th Grade Science Topics

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Across
  1. 3. Type of dating rocks to determine age of layers or fossils
  2. 5. Air pressure associated with nice weather
  3. 6. Air pressure associated with lousy weather
  4. 8. Cloud of dust and gas in space
  5. 9. Movement of weathered rock
  6. 10. Global wind belt NH is in
  7. 11. Reason Earth has seasons
  8. 13. When one tectonic plate goes under another
  9. 15. Force that holds planets around sun in orbit
  10. 17. Type of Rain cloud
  11. 20. Cold Dry air mass
  12. 24. Largest planet in the solar system
  13. 25. Warm climate all year round
  14. 26. Superlarge landmass (all continents together)
  15. 29. Breaking rock into smaller pieces
  16. 30. Large system of rotating ocean currents
Down
  1. 1. Clumping of rock and dust by gravity
  2. 2. Ability of surfaces to reflect light (suns light)
  3. 4. Earth's crust broken into these.....
  4. 7. Short term atmospheric conditions
  5. 12. Rock made from fire (cooled magma)
  6. 14. Long term atmospheric conditions
  7. 16. Most clouds occur in this layer of atmosphere
  8. 18. Phase of moon when lunar eclipses occur
  9. 19. Two plates moving away from eachother
  10. 21. Less then half the moon illuminated
  11. 22. Liquid water turning to gas
  12. 23. Groundwater that does not inflitrate the ground
  13. 27. Thin layer of gas around the Earth
  14. 28. Study of natural phenomena and how and why stuff works