This science fair project idea explores the egg's thin membrane.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

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

Help your child learn about animal classification with this fun and delicious activity.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This project examines whether people's taste perception is influenced by what they see.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.