Universe Vocabulary set 2

15 terms by 14peletierw

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waves

is a repeating disturbance movement or vibration

mechanical waves

Waves that need a medium to travel through

transverse waves

waves that move the medium at right angles to the direction in which the waves travel

compressional waves

A wave in which matter vibrates in the same direction as the energy waves traveling through it.

wavelength

the distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave

frequency

the number of observations in a given statistical category

wave speed

the speed at which a wave travels

reflection

the image of something as reflected by a mirror (or other reflective material)

refraction

the change in direction of a propagating wave (light or sound) when passing from one medium to another

amplitude

the height of a wave's crest

crest

reach a high point

trough

a long narrow shallow receptacle

rarefraction

a region in a sound wave where there are fewer air particles than normal

compression

applying pressure

medium

an occupation for which you are especially well suited

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