sound and light
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7 terms
Terms | Definitions |
|---|---|
 concave lens | This lens is thicker around its edges. Makes distant objects seem closer and smaller |
| convex lens | This lens is thicker in the middle. Makes nearby objects seem larger |
| refraction | As light waves pass through a clear object they slow down and bend |
| reflection | bouncing of light waves |
| sound | waves that are carried by vibrating matter |
| pitch | determined by the speed of sound. Fast=high and Slow= Low |
| volume | measurement of how loud a sound is |
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