Unit 2 earth and space

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Across
  1. 3. the effect of gravity on an object
  2. 5. the matter in an object
  3. 8. a boundary where two plates divide
  4. 9. when a denser object slides under a lighter object
  5. 10. a boundary where two plates collide
Down
  1. 1. celestial bodies that orbit a sun
  2. 2. supporting life
  3. 4. orbit in an oval shape
  4. 6. a boundary where two plates slide past each other
  5. 7. a force of attraction between two objects