This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

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

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

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

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea investigates whether plants can survive being frozen.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This science fair project idea compares biodiversity between drops of water.

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.