Energy Crossword

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Across
  1. 4. Transfer of heat by direct contact of substances
  2. 5. This is what happens to sound energy when creating an echo
  3. 6. Movement energy
  4. 8. On a sound wave this is the distance from crest to crest
  5. 11. Transfer of heat energy through a fluid
  6. 12. Energy from the sun
  7. 17. Amount of waves passing a single point per second
  8. 18. Units of measurement for loudness
  9. 19. Heat energy extending outwards in all directions from the sun
Down
  1. 1. Unit of measurement for energy
  2. 2. Process by which a plant converts light energy
  3. 3. Stored energy
  4. 7. Describes how effective a device is at converting energy from one type to another
  5. 9. A poor conductor of heat
  6. 10. In a kettle electrical energy is converted to this type of energy
  7. 13. When sound energy is scattered in many directions
  8. 14. Type of potential energy contained in an apple
  9. 15. Vibration energy that creates waves in the air
  10. 16. A small bird is said to have a high one