What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

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.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

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.

Explore the neural and mental mechanisms at play in mental imagery.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

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

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

This science fair project idea measures physical dexterity as a function of temperature.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Determine how we can separate the components of a solution

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.