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.

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

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.

Teach your child how to accessorize the environmental way!

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Make environmentally friendly, chemical-free toothpaste using one of the most common, inexpensive pantry staples in the American kitchen: baking soda.

In this inspiring activity, children create and perform their very own Reader’s Theater about helping the planet!

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Conduct a mock interview with the President to teach your child about politics, the president and the world she lives in.

This science fair project idea compares biodiversity between drops of water.

In this activity, your child will write stories about two different people. The stories will include similarities and differences in the ways each person lives in their communities.

Help your child celebrate the summer and the sun by making a sandy seascape.

No big beach party or a sudsy seafood feast should be without this bright, colorful tablecloth!

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Instead of tossing old school supplies, turn them into a work of art and teach your kids how to find new uses for old things.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This easy at-home experiment is a great way to "see" science.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!