Across
- 4. In order to be invisible we need to be_____?
- 5. The range of colors made by scattering the white light
- 7. The dark colored clothes will warm up fast because of the _____ of light
- 11. a piece of glass or other transparent material cut with precise angles and plane faces
- 12. The object we use to measure the angle
- 13. The harmful light hidden in the sunlight
- 14. When there is no color
- 16. There is no Penumbra in this light
- 17. The name of the particle of light
- 19. The material that is responsible for reflecting light in the objects
- 20. Both type of shadow is present in this light
Down
- 1. We see the colors by the ______ of light
- 2. The deceiving optical perception
- 3. The darker full shadow made by extended light source
- 6. The phenomena that is responsible for the broken pen in the glass look
- 8. All of the colors mixed
- 9. The name given for the event when sun is blocked by moon
- 10. A tinted window is a type of object that lets light pass partially
- 15. The biggest shadow on the earth belongs to?
- 18. The type of object that does not allow the light pass through