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Squires Sci 7 U1
Unit 1
| Question | Answer |
|---|---|
| amplitude | a maximum distance the particles of a medium move away from their rest positions as a wave passes through the medium |
| compression | the part of a longitudinal wave where the particles of the medium are close together |
| crest | the highest part of a transverse wave |
| frequency | the number of complete waves that pass a given point in a certain amount of time |
| mechanical wave | a wave that requires a medium through which to travel |
| medium | material through which a wave travels |
| rarefaction | the part of a longitudinal wave where the particles of the medium are far apart |
| reflection | the bouncing back of a wave when it hits a surface through which it cannot pass |
| refraction | the bending of the waves as they enter a different medium |
| resonance | the increase in the amplitude of vibrations that occurs when external vibrations match the objects natural frequency |
| translucent | a material that scatters light as it passes through 3 |
| tranverse wave | a wave that moves the medium in a direction perpendicular to the direction which the wave travels |
| trough | the lowest part of a transverse wave |
| vibrations | a repeated back and forth or up and down motion |
| wave | a disturbance transfers energy from place to place |
| wavelength | the distance between two corresponding parts of waves |
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