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

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!

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair experiment examines the relationship between gender, age, and smiling.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This basketball project explores the best way to make the perfect shot every time.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Free science fair project idea examining how different types of water affect plant germination and growth.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

When the wind starts blowing, you and your child can plant a sponge garden in the comfort of your own kitchen. Here's how:

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 idea investigates how the shape of an object affects drag.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.