This science fair project idea investigates how color affects temperature.

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

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 teaches students the differences between fruits and vegetables.

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

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

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.

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

This project compares the strength of one, two, and three-ply toilet paper.

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

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

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

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

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

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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

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.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

This biodiversity project examines the biodiversity in your own backyard.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project idea explores whether talking to a plant will help it grow.

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