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This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This basketball project explores the best way to make the perfect shot every time.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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 explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.