Product |
Grade Level |
Format |
Price |
|
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Waves: Energy in Motion DVD Quality animation illustrates how waves transfer energy, but not matter, from one point to another. Reflection, refraction, interference, diffraction, the Doppler effect, wavelength, amplitude, and frequency are also explained.  |
6 - 12 | DVD |
$49.95
|
 |
Force and Work: Energy in Action DVD In an effective introduction to Physics and Physical Science on force and work, everyday mechanical forces and the mysteries of field forces like gravity and electromagnetism are explained and demonstrated. |
6 - 12 | DVD |
$49.95
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