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science projects, videos and experiments for various grades and topics.
What is Energy?
Bill Nye The Science Guy on Energy
Bill shows your potential for understanding energy with his kinetic style, a bowling ball, a piece of glass, and a barbecue. Energy can change from one form to another. Watch as it makes things go, run, and happen.
What is Energy?
A song about energy and conservation of energy
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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