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19 Cards in this Set
- Front
- Back
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What is the maximum distance particles of a medium move away from their rest positions as a wave passes? |
amplitude |
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What is the material through which a wave travels? |
medium |
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What is a wave that moves the medium parallel to the direction in which the wave travels? |
longitudinal |
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What is a repeated back-and-forth or up-and-down motion? |
vibration |
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What is a disturbance that transfers energy from place to place? |
wave |
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What is the number of complete waves that pass a given point in a certain amount of time? |
frequency |
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What is the part of the longitudinal wave where the particles of the medium are close together? |
compression |
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What is a wave that moves the medium in a direction perpendicular to the direction in which the wave travels? |
transverse |
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What happens to wavelength if a wave’s frequency increases? |
it decreases |
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What is a perception of a sound’s amplitude? |
loudness (or volume) |
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What is a perception of a sound’s frequency? |
pitch |
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What happens to a sound’s pitch if the medium is very long? |
it decreases (or becomes low) |
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What kind of waves need a medium through which to travel? |
mechanical waves |
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How do all sounds begin? |
with a vibration |
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Draw a transverse wave and identify a crest. |
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Draw a transverse wave and identify a trough. |
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Draw a transverse wave and identify its amplitude. |
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Draw a longitudinal wave and identify a compression. |
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Draw a longitudinal wave and identify its wavelength. |
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