This science fair project idea investigates how color affects temperature.

This science fair project idea explores whether color affects a person's emotional state.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

In this fun experiment, we'll find out how color affects heat absorption!

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project idea determines if the color of light affects the growth of plants.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

This science fair project idea experiments with spinning color wheels and optical illusions.

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

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

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.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

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

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

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

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

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

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

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

This science fair project idea explores alcoholic fermentation at work by making your own soda.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

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.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Check out this cool science fair project on identifying rocks and minerals for kids.