Overview
Energy, things like light, heat, and sound, moves in waves. You’ve probably seen waves in the ocean, or ripples when you throw a rock in a pond. Moving energy is not like the wave you do with your hand.
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3 - 1Planets & Moons January 14, 1995 -
3 - 2Pressure January 21, 1995 -
3 - 3Plants January 28, 1995 -
3 - 4Rocks & Soil February 03, 1995 -
3 - 5Energy February 10, 1995 -
3 - 6Evolution February 17, 1995 -
3 - 7Water Cycle March 24, 1995 -
3 - 8Friction March 31, 1995 -
3 - 9Germs April 07, 1995 -
3 - 10Climates April 14, 1995 -
3 - 11Waves April 21, 1995 -
3 - 12Ocean Life April 28, 1995 -
3 - 13Mammals September 08, 1995 -
3 - 14Spinning Things September 15, 1995 -
3 - 15Fish September 22, 1995 -
3 - 16Human Transportation September 29, 1995 -
3 - 17Wetlands October 06, 1995 -
3 - 18Birds October 13, 1995 -
3 - 19Populations October 20, 1995 -
3 - 20Animal Locomotion October 27, 1995