Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

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.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.