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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

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.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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

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

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

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

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

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 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.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

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 if heat from direct sunlight is hotter than heat from reflected sunlight.

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

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

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

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.

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

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