4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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.

Make sourdough bread...and learn some colonial history and modern science in the process!

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Introduce your child to science with something they see everyday--their shadow!

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!