Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Test your friends to find out if you can replicate the placebo effect's incredible results.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

In this project children practice the scientific method while playing with puffy paint.

Using a toy race car kids create a visual model of the Doppler Effect.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this project, a basketball containing different psi is dropped to see how well it bounces.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

This activity is a fun challenge for students who have just started learning to program educational robots.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.