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Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Learn all about balance and motion as your child designs a corn maze!

I scream, you scream, we all scream for homemade spearmint ice cream!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.