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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this project, you will observe and record changes in sunspots over two weeks.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

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

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

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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

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

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

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

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