This science fair project idea determines the most effective method of preserving food.

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

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