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brunsonsvocab17
science vocabulary
| Question | Answer |
|---|---|
| reflection | the bouncing back of light rays from a surface |
| refraction | the bending of light rays as they move from one material into another material |
| lens | a curved piece of clear glass or plastic that bends light rays |
| convex lens | a lens that is thicker in the center and thinner at the edges, a shape that bends light inward |
| concave lens | a lens that is thinner in the center and thicker at the edges, a shape that bends light outward |
| pitch | how high or low a sound is |
| volume | the loudness of a sound |
| waves | a repeating up-and-down or back-and-forth movement of matter |
| wave length | the distance between one wave crest and the next crest or between one wave trough and the next trough |
| wave frequency | the number of waves that move past a point in a certain amount of time |