What types of energy are there?

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Across
  1. 1. Ability to do work (Not a type)
  2. 4. Before skydiving
  3. 6. Total energy never changes (Not a type)
  4. 9. Pizza
  5. 10. Speeding Truck
  6. 11. Battery Power
Down
  1. 2. Sunlight
  2. 3. Atomic Bomb
  3. 5. Your favorite band
  4. 7. Rubber Bands
  5. 8. Campfire