Across
- 3. taken in or soaked up
- 7. of incidence: The angle between the incident ray and the normal
- 9. ray: a straight line (with an arrow) on a diagram representing the direction and path that light is traveling.
- 10. ray: a rectilinear line that strikes a surface
- 12. The perpendicular line to a surface; where the incident ray meets the surface
- 13. diagram: shows how light travels, including what happens when it reaches the surface
- 15. light: The light that is coming from a source
- 18. the bouncing back of light or sound waves from a surface
- 19. reflection: The reflection of light off a smooth surface, such as a mirror.
- 21. passed on from one place or person to another
Down
- 1. Some light passes through
- 2. straight line that is the path of light
- 4. No light passes through
- 5. The bending of light as it passes from one medium to another
- 6. mirror: A flat mirror that reflects light according to the laws of reflection.
- 8. reflection: The reflection of light off a rough or irregular surface, scattering the light in different directions.
- 11. All light passes through
- 14. light traveling in any one direction in a straight line
- 16. ray: The ray of light that bounces off a surface
- 17. Any polished surface that reflects all light
- 20. model of light: A narrow beam of light that tends to travel in a straight line