brunsonsvocab17 Word Scramble
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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 |
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brunsoncj
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