1. Light

2. Reflection Energy waves bouncing off the surface of an object (mirrors or echo’s return energy back to their source

3. Refraction energy waves that bend (they change speed and direction) as they pass from one type of object to another type

4. Lens a clear curved piece of glass or plastic that bends passing light to focus or spread the light rays

5. Mirror any object that has a reflective surface

6. Laser A device that gives off a very strong and directed beam of light

7. Illuminate light up

8. Light spectrum The small part of the electromagnetic spectrum that the human eye can see; violet, blue, cyan, green, yellow, orange, and red

9. Magnify Increase in size, power, or importance

10. Kaleidoscope A tube that contains 3 mirrors that reflect many different designs of light passing through a colored disk on top

11. Telescope An instrument that uses mirrors and/or lenses to gather and focus light from images far away

12. Absorbed
light taken in by an object and not reflected or refracted

13. Transmitted
light that passes through

14. Opaque
no light goes through it

15. Scattering
energy waves hit a rough or uneven surface and the waves are reflected in all directions

16. Transparent
all light goes through it

17. Translucent
some light goes through it