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Unit 5
Light and Sound
| Question | Answer |
|---|---|
| to take in or soak up | absorb |
| curved inward, like a spoon | concave |
| curved outward | convex |
| thick, heavy | dense |
| to twist out of normal shape | distort |
| a supply of power | energy |
| glowing | incandescent |
| a clear piece of curved glass or plastic that is used to make things look clearer, larger, or smaller | lens |
| a shiny surface that reflects light ( | mirror |
| not clear, blocking all light so that none gets through | opaque |
| the rights to make and sell something | patent |
| a wedge-shaped piece of transparent glass that breaks up light into all the colors of the spectrum | prism |
| to throw back light, heat, or sound from a surface | reflect |
| the distribution of all the colors that make up the light we see | spectrum |
| the outside layer of something | surface |
| a tool for communicating by sending electrical signals by wire or radio | telegraph |