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!

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.

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.

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.

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

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

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.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project examines how seeds hitchhike on animals and clothing.

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.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project idea investigates the hardness property of minerals.