In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

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.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This basketball project explores the best way to make the perfect shot every time.

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project idea determines what household items are good conductors of electricity.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair project idea compares biodiversity between drops of water.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.