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.

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

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

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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 determines which method of hand cleansing is the most effective.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

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.

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 experiment tests if dog saliva can really help heal wounds.

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.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

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.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

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

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.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

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