chapter 18 heat, light, and sound vocabulary Flashcards

Conduction

the way heat is passed along by molecules of matter that bump into
one another

insulator

matter that does not conduct heat well

convection

the transfer of heat within a gas or a liquid by the movement of
warmer particles

vacuum

any place where there is no matter

radiation

energy that travels through waves

wavelength

the distance from the crest, of top of one wave to the crest of the
next one

amplitude

the height of a wave

frequency

the number of wave cycles that pass through a point in one second

reflection

the bouncing of light off an object

refraction

the bending of light rays as they pass from one substance into another

spectrum

the band of colors that make up white light

prism

a triangular shape, three dimensional object made of clear glass that
breaks up white light into its different colors

conduction

the way heat is passed along by molecules

insulator

matter that dose not conducts heat well

convection

the transfer of heat within a gas or liquid by movement

vacumm

any place where there is no matter

radiation

energy that travels in waves

wavelength

the distance from the crest or top of one wave to the crest of the
next wave

amplitude

the height of a wave

frequency

the number if waves cycles that pass through a point in one second

reflection

the bouncing of light rays as they pass from one substance into another

spectrum

the band of colors that make up white light

prism

a triangular shaped three dimensional objct made of clear glass that
breaks up white light into its different colors