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Sound, Light and Waves Study Guide
| Questions |
Answers |
| All sounds begin with |
vibrations |
| Light travels faster through |
air |
| Waves with shorter wavelengths have more |
energy |
| Microscopes, eyeglasses, and telescopes all have |
lenses |
| Built very tall so they can send radio waves over large distances |
Radio towers |
| If two waves had the same amplitude and were put together, the amplitude would reduce to |
zero |
| Sending a picture to a friend in an email is evidence that a laptop computer uses waves to send and receive digital signals over |
distances. |
