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

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.

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

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea examines which type of insulation holds in the most heat.

This project explores ways to prevent static electrical shocks.

Will the shape of an ice cube impact how fast the ice melts?

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Construct batteries that make electricity from fruits with this fun science fair project.

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

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.