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Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

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

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

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

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!

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea investigates how color affects temperature.

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.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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 homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This biodiversity project examines the biodiversity in your own backyard.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

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.