Unit 3 Crossword

2. an acronym for the colors of the light spectrum(colors in the rainbow)
4. a force that resists the movement of one surface past another surface.
5. a push or pull that causes an object to move, stop, or change direction.
8. the movement of an object
10. matter that allows light to transmit through and the image is clearly visible.
11. a force that pulls objects toward each other.
12. the force gravity exerts on an object's mass.
13. prefix meaning not
14. matter that allows light to transmit through but the the image is blurred.
18. latin root to carry
19. the bending of light as it passes through matter.
20. a piece of glass or plastic shaped so as to focus or spread parallel light rays that pass through it to form an image.

1. a lens that curves outward like the outer boundary of a circle or a sphere
2. the bouncing of light off a surface.
3. a force that is caused by the friction of air molecules hitting an object in the air causing it to slow down.
6. the amount of matter in an object.
7. prefix meaning too much
9. the tendency of of objects to stay in motion or to stay still.
10. to pass through
15. latin root to break
16. matter that does NOT allow light to transmit through
17. a lens that curves inward like the inside of a circle or a sphere