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

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project idea identifies trees using a dichotomous key.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Find out which type of sponge holds the most water.

This experiment will evaluate if chewing gum affects students' test performance.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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!

This science fair project idea determines if the color of light affects the growth of plants.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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!

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

Discover how and which salt melts ice the quickest.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

In this science fair project, students use the streak test to tell minerals apart from each other.