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

In this project students experiment with making music using only glasses of water.

Examine the effect of pressure on carbonation in soda.

This science fair project idea determines the most effective method of preserving food.

In this experiment we will be determining whether birds prefer certain colors of seed.

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

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

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

Test whether plants can grow without sunlight and water.

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.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project idea explores the different properties & interactions of sugar molecules.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

This science fair project examines how seeds hitchhike on animals and clothing.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This project examines whether people's taste perception is influenced by what they see.

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 science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Find out which kind of bubble wrap fares best when put in impact.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.