Sound and Light waves Vocab

Front

Convex lens

Back

A type of lens that is thicker in the middle than at the edges, used to converge light rays.

Front

Decibels (dB)

Back

The unit used to measure the loudness of sound.

Front

Prism

Back

A device used to separate white light into its component colors.

Front

Retina

Back

The part of the eye that allows us to see color.

Front

Sound wave

Back

A type of wave that needs a medium (solid, liquid, or gas) to travel through.

Front

Concave lens

Back

A type of lens that is thinner in the middle than at the edges, used to diverge light rays.

Front

Electromagnetic wave

Back

A type of wave that does not require a medium to travel, such as light.

Front

Wavelength

Back

The distance between successive crests of a wave, important in determining the color of light.

Front

Frequency

Back

The number of waves that pass a point in one second, measured in Hertz (Hz).

Front

Amplitude

Back

The maximum extent of a vibration or oscillation, measured from the position of equilibrium.