Waves and Electromagnetic Radiation

Light, speed, frequency, wavelength, reflection, refraction, transmission, resonance, phase, absorption, spectrum

A Sound Education
Slide Set
Join Greg Vogt, EdD, as he defines sound as a form of energy, explores the process of energy transfer and provides in-depth information about the properties of sound waves.
A Sound Education: Glass Orchestra
Slide Set
Discover how air, glass and water can be used to make music! Greg Vogt, EdD, shows you how to create a glass orchestra.
A Sound Education: Good Vibrations
Slide Set
Greg Vogt, EdD, demonstrates that sounds are vibrations that can be observed through the effects they have on objects.
A Sound Education: Heavy Metal
Slide Set
Remember the xylophone? Greg Vogt, EdD, demonstrates how to build and play a similar instrument, called a metallophone, and explains how other metal objects can be used to investigate the properties of sound.
A Sound Education: Wacky Waves
Slide Set
Did you know that sound travels through solids? Greg Vogt, EdD, explains how to make objects to demonstrate how sound travels.