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In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.