Find out whether putting something on top of a plant will inhibit its growth.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Test whether plants can grow without sunlight and water.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

In this project, the affects of vitamin E are observed on a rose petal.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

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 researches the effects of acid rain on plant growth.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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 the process used to dry the beans we eat for food renders them unviable.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

The project determines which laundry detergent is best for cleaning clothes.

This science fair project idea examines liquids of different densities.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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