Chemistry vocabulary

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Across
  1. 2. how fast a object goes over time
  2. 4. Push or pull
  3. 6. a change that you cant see
  4. 7. Positive energy in a atom
  5. 10. has 5 different elements to cause
Down
  1. 1. direction plus speed
  2. 3. The center of a atom
  3. 5. The movement of plates that caused pangea
  4. 7. The old supercontinent
  5. 8. Negative energy in a atom
  6. 9. change in speed direction or both