This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.