Energy

123456789
Across
  1. 1. sound energy cannot pass through this object
  2. 3. a man-made source of heat energy
  3. 4. energy cannot be ___ or ____
  4. 6. chemical potential energy is stored in
  5. 7. chemical potential energy is stored in
  6. 8. chemical potential energy is stored in
Down
  1. 2. energy cannot be ___ or ___
  2. 5. a another man-made source of heat energy
  3. 7. a another natural source of energy
  4. 9. a natural source of energy