Front

In contrast to light waves, sound waves travel fastest in ____

Back

solid

Front

The distance between one point of a wave to the same point on the next wave is called ____

Back

wavelength

Front

The type of wave that DOES NOT need a medium to travel through is ____

Back

electromagnetic

Front

Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even cancer?

Back

ultraviolet light

Front

If an object appears blue, this means that ____

Back

all colors are absorbed except blue, blue is reflected

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation, including radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (or about 186,282 miles per second).

Front

What is frequency in relation to waves?

Back

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

Front

What is amplitude in a wave?

Back

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

Front

What is the visible spectrum?

Back

The portion of the electromagnetic spectrum that is visible to the human eye, typically ranging from 400 to 700 nanometers.