In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Check out this cool science fair project on identifying rocks and minerals for kids.