Vocabulary

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Across
  1. 3. Forces acting on an object are more than 0
  2. 4. Change in speed, direction, or both
  3. 6. They run up and down
  4. 12. Can have 5 different changes to know it happened
  5. 14. Thick,Low density, & get pushed up at plate boundaries
  6. 15. they go left to right
  7. 17. A push or pull & is measured in newtons
  8. 18. arranged into periods and families
Down
  1. 1. When plates go underneath each other & goes back into the mantle
  2. 2. All the continents were connected together as one giant land mass
  3. 5. Total of all those forces
  4. 7. An object tendency to remain the same
  5. 8. distance an object moves
  6. 9. When plates crash into each other
  7. 10. boundary
  8. 11. Very dense & sink back into the mantle at plate boundaries
  9. 13. valence electrons
  10. 16. A new solid is formed