Energy

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Across
  1. 2. the SI unit for power
  2. 4. stored energy based on an object's position or condition
  3. 8. this physicist created the laws of motion
  4. 12. motion energy
  5. 13. a machine's input vs. output of energy
Down
  1. 1. energy is neither created nor destroyed
  2. 3. the speed of an object across time
  3. 5. the SI unit for energy
  4. 6. the measure of speed by an object's motion and direction
  5. 7. when a force moves an object over a distance, this is performed
  6. 9. the force that resists slipping of one surface over another
  7. 10. the ability to do work or cause change
  8. 11. a force that causes objects to fall back to the earth