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

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.

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

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

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.

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.

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.

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

This experiment will evaluate if chewing gum affects students' test performance.

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

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

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