Energy Vocab

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Across
  1. 4. a force between surfaces that slows or stops motion
  2. 6. push and pull
  3. 10. energy that comes from a chemical reaction
  4. 11. movement from one object to another
  5. 12. how fast an object's position changes
  6. 14. an object in motion stays in motion
  7. 15. energy can't be created or destroyed
Down
  1. 1. when an object speeds up or changes direction
  2. 2. a change in an object's position
  3. 3. energy that comes from the motion of particles
  4. 5. energy that comes from a nuclear reaction
  5. 7. when two objects crash
  6. 8. energy that is in motion
  7. 9. energy that is not being used
  8. 13. a force that pulls toward the center of the earth