Across
1. To bounce light off in another direction.
5. Light travels in waves. The distance from one wave peak to the next is the _________.
8. To take in.
11. To bend a ray of light.
12. The opposite of transparent.
13. A lens that curves inward is called __________.
14. An object that allows some light to pass through it is called __________.
15. When white light is bent through a prism, the resulting pattern of colours is called a ______.
Down
2. The part of the electromagnetic spectrum that allows us to see.
3. An object that allows all light to pass through it is ____________.
4. Instrument used at the check-out counter to read price codes.
6. A force that is both electric and magnetic is called ____________.
7. A lens with flat, non-parallel sides, often triangular in shape.
9. Little bundles or particles of light.
10. A lens that bulges or curves outward.
Vocabulary
photon, spectrum, light, concave, absorb, convex, prism, electromagnetic, wavelength, reflect laser, transparent, translucent, opaque, refract
