This DVD contains 4 - 20 minute videos:
The Nature of Light
Important concepts discussed include: electromagnetic spectrum, wavelength, frequency, luminous object, incandescence, florescent, neon, photon, and photoelectric effect.
Using Light
Terminology discussed includes: regular and diffuse reflection, plane, concave and convex mirrors, refraction, index of refraction, and concave and convex lenses.
Sound
Terminology discussed includes: sound waves, elasticity, density, hertz, frequency, pitch, ultrasonic, infrasonic, Doppler Effect, intensity, loudness, and decibel.
Waves
Important concepts discussed include: vibration, crest, trough, amplitude, wavelength, frequency, reflection, refraction, diffraction, interference, and mechanical, electromagnetic, transverse, surface, and longitudinal waves.