This science fair project idea examines whether boys and girls differ in reflexes.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

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!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

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

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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 idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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.

This project investigates the affect of storage temperature on microwave popcorn.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this project, waves of vibrations are experimented with using water in glasses.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

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.