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.

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.

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

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

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.

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

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

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.

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.

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

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.

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

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science experiment tests if dog saliva can really help heal wounds.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.