This science fair project idea demonstrates sonar mapping of the ocean floor.

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.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

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.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

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

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

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

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.

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.