Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

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!

In this fun activity, your child will create their very own solar oven to bake s'mores!

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this activity your child will create their very own marble maze!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea explores whether talking to a plant will help it grow.

Examine the effect of pressure on carbonation in soda.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.