1 - Waves and Sound

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Chapter 12, Lesson 1: "Waves and Sound". Use your textbook to help you fill in the blanks (click on the words) pages 644 - 655.

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Naneth Burquez

United States

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Compléter 1 - Waves and SoundVersion en ligne Chapter 12, Lesson 1: "Waves and Sound". Use your textbook to help you fill in the blanks (click on the words) pages 644 - 655. par Naneth Burquez 1 Refraction Amplitude Rarefaction Doppler Reflection period Compression Wavelength effect Frecuency 1 . is when the direction of a wave changes because of a change in medium . 2 . is a measure of how many waves crests or troughs pass a given point in one unit of time . 3 . is when the pitch of a sound changes because the source of the listener is in motion . 4 . A is the amount of time it takes for a wave to complete one full circle . 5 . is the distance between wave crests or troughs . 6 . : an area in a sound wave where particles of matter are spread apart . 7 . : an area in a sound wave where particles of matter are pushed together . 8 . is the height of a wave from its trough or crest to its midpoint , which is also a measure of the wave ? s intensity . 9 . : how waves bounce off an object and change their direction of travel .