Across
- 6. Light is a form of this.
- 8. Natural sources of light seen at night.
- 9. Reflected light enters these.
- 10. A form of energy.
Down
- 1. The Sun is an example of a light ______.
- 2. Artificial sources of light.
- 3. A natural source of light.
- 4. An insect that gives off its own light.
- 5. An artificial source of light.
- 7. Objects can be seen when they ______ light.
