Across
- 1. the height of a wave.
- 4. to thrown or give off or out.
- 6. illumination when light is directed onto a surface and reflects off
- 9. radio waves that are sent out by a device
- 10. ray light coming from a source traveling in any one direction in a straight line.
Down
- 2. energy when you move or do something
- 3. the direction you look at something
- 5. to send from one person or place to another.
- 7. the ability to do work, to make things happen and to cause changes.
- 8. illumination when light is directly into the surface