Energy crossword puzzle

12345678910111213
Across
  1. 2. energy stored in an object under stress
  2. 4. energy from vibrations
  3. 7. energy an object with mass has in relation to another object due to gravity
  4. 9. stored energy
  5. 11. electromagnetic waves
  6. 12. the ability to do work
  7. 13. heat energy
Down
  1. 1. electricity
  2. 3. states energy cannot be created or destroyed, it just changes forms
  3. 5. energy a substance or system has because of it's motion
  4. 6. energy in motion
  5. 8. energy stored in the bonds of chemicals
  6. 10. energy produced by the sun or light bulbs