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Definition
| _________ waves must travel through matter, like air. They CANNOT travel through empty space. |
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Definition
| ________ is how high or how low a sound is. |
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Definition
| _________ is energy that travels in waves through space. |
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Term
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Definition
| The top of a light wave is the ________ |
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Definition
| The lowest part of a wave is the ______. |
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Definition
| The distance from one crest to the next crest is the ___________. |
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Definition
| The number of waves that pass by in one second is called a wave's __________. |
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