Discover whether a metal will expand under hot water.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

This science fair project teaches students about wilting and browning of salad greens.

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

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea determines what household items are good conductors of electricity.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Do you think heat can affect a plant's growth rate?

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

This science fair project idea explores whether talking to a plant will help it grow.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.