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.

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

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

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

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.

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

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.

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.

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

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

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.