Waves, Sound, and Light: Science Videos

This series explains how waves, sound, and light behave. You will learn what waves are, why a siren sounds different as it passes by, and what a sonic boom is. You will also learn how mirrors and lenses form images and why light bends in water. These ideas explain how glasses, cameras, and telescopes work. You should be comfortable with algebra.

Note: All Khan Academy content is available for free at www.khanacademy.org