Energy Crossword

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