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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This basketball project explores the best way to make the perfect shot every time.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project idea investigates whether plants can survive being frozen.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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

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

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

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

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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

Is it a square or a circle? See if you can trick your friends with this zany science project!