Science fair project that determines the correlation between wind direction and subsequent weather patterns.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Science fair project that explores the natural process of limestone formation.

If you find yourself with a pair of kids' rain boots too cute to toss and too worn to wear, try making this fun and easy planter.

This tactile activity helps kindergarteners learn about texture.

This project compares the strength of one, two, and three-ply toilet paper.

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

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Start your toy engines -- this is going to be a fast and friction-filled race!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.