This science fair project idea provides evidence that air is everywhere and takes up space.

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

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.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this project, a mnemonic is used to test how it increases memory.

Discover whether a metal will expand under hot water.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

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

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

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

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

In this project, several food items are tested to determine whether they contain starch.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

The objective of this science project is to determine the length of time for different seeds to germinate.

Learn whether writing things down really makes things easier to remember.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.