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

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.

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 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.