Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

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

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.

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

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

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