This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

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.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

This science fair project idea determines how quickly germs and bacteria spread.

This science fair project idea investigates how different disinfectants work in killing germs.

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

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

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.

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 idea determines which method of hand cleansing is the most effective.

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

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

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

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

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.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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.