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In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

The goal of this project is to create an exciting topographical map out of dough.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Discover which fabrics shrink the most in the wash and why.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Take a dive into the candy jar with this yummy science experiment.

Using a toy race car kids create a visual model of the Doppler Effect.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

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.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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

Construct batteries that make electricity from fruits with this fun science fair project.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project examines how seeds hitchhike on animals and clothing.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.