Across
- 3. Natural occurring events in the universe.
- 4. Use to represent and explain phenomena.
- 6. Travels in a straight line.
- 10. Material that only reflects light.
- 11. Goes through.
- 12. Another word for observation.
Down
- 1. Questions that come from observations.
- 2. Bounces off.
- 5. Works like a window and mirror at the same time.
- 6. Location of where the light begins from.
- 7. Material that mostly transmits light.
- 8. Using our 5 senses to make observations or notices.
- 9. Material inside a mirror that reflects light rays.