Across
- 4. light made and controlled by man
- 5. spectrum Roy g biv seprated colors of white light
- 6. light bends as it passes through matter
- 8. matter which allows some light to pass (blurry)
- 9. matter through which light cannot pass
- 10. lens with thick middle and thin edges
Down
- 1. lens with a thin middle and thick edges
- 2. light bounces off matter in reverse
- 3. light light produced by nature
- 7. matter through which all light passes (clearly