This science fair project idea investigates how color affects temperature.

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!

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

This project tests the hypothesis that dark colors absorb more heat than light colors.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this experiment we will be determining whether birds prefer certain colors of seed.

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

In this science fair project, students use the streak test to tell minerals apart from each other.

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

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

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.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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

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.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

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

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

In this project, different brands of microwave popcorn are tested and compared.

This project investigates the affect of storage temperature on microwave popcorn.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!