This lesson will introduce light waves and describe how a particle can travel as a photon or a wave. It is 4 of 4 in the series titled "Light Waves."

Use this tool to learn facts about the range of the electromagnetic spectrum, from radio waves to gamma rays.

This lesson will introduce the electromagnetic spectrum and the properties and uses of the waves it contains. It is 3 of 4 in the series titled "Electromagnetic Spectrum."

This lesson will introduce the electromagnetic spectrum and the properties and uses of the waves it contains. It is 4 of 4 in the series titled "Electromagnetic Spectrum."

This lesson will introduce light waves and describe how a particle can travel as a photon or a wave. It is 3 of 4 in the series titled "Light Waves."

A gallery of astronomy images which depict galaxies, comets, the moon, planets, nebulae, supernovae as seen in various regions of the electromagnetic spectrum. Each image in the gallery is described. Fascinating!