Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this experiment we will be determining whether birds prefer certain colors of seed.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea explores how length affects the weight a bridge can hold.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

In this project students experiment with making music using only glasses of water.

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

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.