Science

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Across
  1. 2. what is the hottest layer of the earth
  2. 3. a pure substance made of identical atoms
  3. 6. only place a cell wall is located
  4. 7. What causes rising air to turn counterclockwise in the northern hempisphere.
  5. 11. lowest amount of heat energy
  6. 14. what keeps the planets from leaving their orbit
  7. 15. what shape do the panets orbit the sun
  8. 17. where are the westerlies
  9. 20. how much matter is in an object
  10. 21. how much mass us packed into a certain volume.
Down
  1. 1. the amount of space an object takes up
  2. 4. what is a fungi
  3. 5. what is the degree of earths tilt
  4. 7. how do igneous rocks form
  5. 8. It dies out when none of the species can survive.
  6. 9. what organelle is only in a plant
  7. 10. how many body cells are in a human
  8. 12. The distance from one point to another.
  9. 13. highest amount of heat energy
  10. 16. a pure substance made of identical molecules
  11. 18. where are the easterlies
  12. 19. abbreviation for table salt.