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

Science fair project that examines condensation and the conditions needed in order for dew to form.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

How powerful is the reaction between baking soda and vinegar? Find out here!

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science fair project examines how seeds hitchhike on animals and clothing.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science fair project idea investigates how color affects temperature.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.