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

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

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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.

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

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.

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

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

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

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

Plants and light seem to be good buddies, but how far does the friendship really go?

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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!

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

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.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This project compares the strength of one, two, and three-ply toilet paper.

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

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 explores how much force is needed to move a lever at different distances from the fulcrum.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.