This science fair project idea investigates how color affects temperature.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

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 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.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

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.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

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.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

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

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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