Across
- 1. The change in direction when light passes through a transparent object.
- 3. Light travels in a ______.
- 5. The shape of the glass curved inwards.
- 7. You get this from eating food.
- 8. Lights up a room.
- 10. A black part in the middle of an eye.
- 11. The shape of the glass curved outwards.
- 12. You need this to see in the dark.
Down
- 2. A visual picture.
- 4. Source of power.
- 6. What happens when light is shown in a mirror?
- 9. A piece of glass that you look through.