Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

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

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.