vibrate - to move back and forth quickly to produce a sound, pitch - how high or low a sound is, volume - how loud or soft a sound is, opaque - not letting light through, translucent - not transparent but clear enough to let some light through, transparent - transmitting light so that objects lying beyond are entirely visible, reflection - the bouncing of light off the surface of an object, refraction - the bending of light as it passes through an object.,

Sound and Light Vocabulary

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