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4th grade chapter 8

Energy and Heat

TermDefinition
sound energy in the form of vibrations passing through matter
energy the ability to cause motion or create change
frequency number of waves that pass a point in a certain amount of time
kinetic energy energy of motion
wavelength distance between a point in one wave with a similar point on the next wave
potential energy energy that is stored in an object
conduction the transfer of heat that occurs when one thing touches another
refraction the bending of light when it passes into a new medium
pitch how high or low a sound is
convection the travel of thermal energy as it moves
absorption occurs when an object takes in light waves
volume a measure of how strong a sound seems to be
radiation energy that is sent out in waves
reflection occurs when light waves bounce off a surface
amplitude the height of a wave measured from its midline
Created by: Alvira
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