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Mystery Science

Grade 4 Waves of Sound

wavelength the term scientists use to describe how 'squished together' or 'spread out' a wave is.
pitch the highness or lowness of a sound (but not how quiet or loud the sound is)
volume is how quiet or loud a sound is
vibration back-and-forth movement of something
oscilloscope a device that shows sound waves like a graph, in a sideways view
wave the traveling movement created by a vibration in the water or air
vacuum pump a device that can remove the air from a container, allowing scientists to study what it's like in outer space.
pitch pitch the highness or lowness of a sound
echo reflected sound that bounces off of a surface and repeats itself
Created by: eileenrothstein