Energy

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Across
  1. 2. how high an object is above the ground
  2. 5. the rule that energy cannot be created or destroyed
  3. 9. related to heat produced by motion or friction
  4. 12. a force that slows motion and produces heat
  5. 13. how fast an object is moving
  6. 16. a group of objects being studied together
  7. 18. an object has because of its motion
Down
  1. 1. energy spread out energy usually as heat or sound
  2. 3. stored energy based on position or height
  3. 4. movement of an object from one place to another
  4. 6. a change from one type of energy to another
  5. 7. everything outside the system
  6. 8. when two objects hit each other
  7. 10. the ability to do work or cause change
  8. 11. the force that pulls objects toward Earth
  9. 14. produced by vibrations traveling through air
  10. 15. the movement of energy from one object to another
  11. 17. an object that swings back and forth due to gravity