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