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

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

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!

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

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?

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

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

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

This science fair project idea investigates how color affects temperature.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

This experiment investigates whether paper color influences people's ability to remember the information that they read.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

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

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

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

This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

Science fair project that determines whether moths are attracted to one color of light more than others.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.