Unit 7 Vocab Review

Front

Quickly moving back and forth (or up and down) about a point of equilibrium

Back

vibrate

Front

Segment of one cycle of a longitudinal wave, the other being compression.

Back

rarefaction

Front

Lessening the dynamic range of an audio signal.

Back

compression

Front

Repetition of sound from reflection of waves.

Back

echo

Front

Imaginary line perpendicular to the light-reflecting surface

Back

the normal

Front

Matter through which a wave travels.

Back

medium

Front

A piece of glass that separates white light into different wavelengths.

Back

prism

Front

Highly reflective tubing that transmits light and signals, bending light exponentially.

Back

fiber optics

Front

Light ray strikes a material surface and some bounces off.

Back

reflect

Front

to enlarge

Back

magnify