Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Learn how different types of soil affect how animal tracks form in this experiment!

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

This science experiment tests if dog saliva can really help heal wounds.

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

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.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Find out which type of sponge holds the most water.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This project examines what types of objects burn and which burn faster and cleaner.

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

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Science fair project that cultivates slime mold and monitors the stages of its development.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.