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This science experiment tests if dog saliva can really help heal wounds.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project idea explores which kinds of earplugs are the most effective.

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

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

Do different types of oil mix or stack? Find out in this science fair project idea!

This project examines how temperature affects the volume of gas in balloons.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Examine the impact of insecticides on plant growth.

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

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This project examines whether humans can intuitively grasp numeric values greater than three.

This science fair project investigates what type of cookie sheet bakes the best cookies.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Help your child make an attractive frozen holiday ornament to hang outside during winter months.