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In this activity, learners use simple materials to create giant bubbles.

In this activity, learners explore sound by constructing an instrument toy that buzzes when you swing it.

Learners see convection currents in action in this highly visual demonstration. Sealed bags of colored hot or cold water are immersed in tanks of water.

Learners color and cut out a spiral-shaped snake. When they hang their snake over a radiator, the snake spins.