In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

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.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

This science fair project idea compares the cuteness reaction between genders.

This science fair project idea determines which method of hand cleansing is the most effective.

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.

Explore whether pianists have the tendency to type faster than non-pianists.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

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.

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.

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

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

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

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.