This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

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

Discover whether a metal will expand under hot water.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This surprisingly good glue recipe comes from common kitchen items.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project teaches students the differences between fruits and vegetables.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This science project idea examines the effect of microwaving on various objects.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

This activity is a fun challenge for students who have just started learning to program educational robots.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

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

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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