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.

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.

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.

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.

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!

This science research project challenges students to think of more effective lobster farming methods.

This science project allows students to study the psychology of happiness.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Save money by having your tween rock these homemade jeggings, a good craft for a lazy afternoon.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Help your kids map the "global footprint" of your family's grocery cart by investigating how far your food travels before landing on your dinner table.

Spark your child's interest in current events by encouraging them to write a letter to the U.S. president.