Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science fair project idea explores how length affects the weight a bridge can hold.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

The goal of this project is to create an exciting topographical map out of dough.