Across
- 5. energy not causing any changes (stored)
- 8. energy causing changes (movement)
- 9. the ability to do work or cause a change
- 10. light bending as it passes through
Down
- 1. materials letting some light pass through
- 2. wave of vibrations
- 3. materials letting all light pass through
- 4. material letting no light pass through
- 6. travels in straight lines, reflects and refracts
- 7. light bouncing off