Terms you should know and use

Absorption – Taking in or swallowing up energy.

Angle of incidence – The angle at which light strikes a surface.

Angle of reflection – The angle at which light bounces off a surface.

Conduction - Heat moving between two objects because they are touching.

Conductor - A substance that is able to transfer heat energy easily.

Convection – Heat transfer in liquids and gases as molecules circulate in currents.

Medium – Any substance through which a wave is transmitted.

Pitch – How high or low a musical note sounds.

Prism – A clear glass or plastic triangular shape that breaks light into the color spectrum.

Radiation - The transfer of energy by electromagnetic waves.

Reflection – When rays of light or heat are reflected, or bounce off other objects.

Refraction – When light bends as it travels from one medium to another.

Spectrum – The colors red, orange, yellow, green, blue, indigo, and violet, arranged in order of their wavelengths and seen when white light passes through a prism. (Roy G. Biv)

Vibration – A rapid back and forth movement.