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Finally, a way to see how energy "loss" is dissipated as heat! When these two 1-pound ste...
Touch these two black blocks, and one feels cooler. Place an ice cube on each block. One completel...
Witness the power of new energy technology in the palm of your hand. ThatÂ’s right - this car does no...
Our popular UV Beads, now in a package of 100 beads!
The ultimate "Super Ball" is really only half a ball! The Dropper Popper will spring up l...
This brass ball fits easily through the matching ring when they are both at room temperature. Heat ...
You'll get "carried away" by the excitement of this bag!Use the Solar Bag to demonstr...
This deceptively simple device is an intriguing introduction to the study of gases, molecular motion...
Understanding types of energy and energy transformation is crucial to meeting teaching standards. T...
Thin strips of two different metals are laminated together in this simple demonstration, also known ...
This new kit provides an engaging introduction to regenerative energy sources while demonstrating ba...