In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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

In this science fair project, students make their own rain gauge to measure rainfall.

The project determines which type of birds prefer which type of birdseed.

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

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.