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When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!