This science fair project idea determines if the color of light affects the growth of plants.

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

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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Learn whether writing things down really makes things easier to remember.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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

Examine the effect of pressure on carbonation in soda.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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

This science fair project idea explores whether white light can be separated into different colors.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

Create a bee garden to help shelter bees in your area.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project investigates why the number of visible stars changes from place to place.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.