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This science fair project idea produces varying pitches of sound.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!