This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

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

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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

Discover which fabrics shrink the most in the wash and why.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Demonstrate how to tell the age of an egg without having to crack it open.

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

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea examines whether boys and girls differ in reflexes.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This project explores ways to prevent static electrical shocks.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

This science fair project idea examines which type of insulation holds in the most heat.