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

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Discover whether the color of text correlates with ease and speed of reading.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This fascinating science fair project explores eye color genotypes.

Word color association is just a fancy way to talk about the way we connect colors with words.

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.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

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

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea explores whether the color of surroundings affects human mood.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

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

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?