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.

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.