The goal of this project is to create an exciting topographical map out of dough.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea examines which type of insulation holds in the most heat.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Construct and experiment with a periscope using reflected light rays to gather an image.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Learn all about balance and motion as your child designs a corn maze!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.