There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This science experiment tests if dog saliva can really help heal wounds.

This science fair project idea explores how length affects the weight a bridge can hold.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.