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.

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.

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.

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

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.

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

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.

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.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Will the shape of an ice cube impact how fast the ice melts?

In this fun experiment, we'll find out how color affects heat absorption!

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This science fair project idea investigates if fats add to the flavor of food.