Vocabulary 2 Light and Lenses - Topic 5

1. Opaque: completly blocking light from passing through.

2. transparent: letting all light through,so that objects on the other side can be seen clearly.

3. translucent: letting only some light trough,so that objects on the other side appear blurry.

4. polarization: allowing light vibrations to pass through in only one direction.

5. refraction: the bending of light raysas they pass from one substance into another.

6. convex lens: a lens that curves outward (is thicker at the middle than at the edges)and brings light rays together.

7. concave lens: a lens that curves inward (is thicker at the edges than at the middle) and spreads light rays apart.