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motion

Strange Flame, part 1

Learn about density, observation, and critical thinking by observing the unexpected behavior of a flame.

Strange Flame, part 2

Go back to Part 1.

Wrong Way Balloon

Obedient Coin

Newton's First Law of Motion

Torque

Blowing Out a Candle

Magic Coin

304

Why do helicopters have the small rotor on their tail?

Relative Motion

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