A student learning module with a focus on the relationship of temperature and salinity with density, ocean-influenced weather patterns, and how light and sound move through ocean water.

Exploratorium's snacks aren't edible, but they are good! Use your science skills to discover gravity, learn about biology, do fun experiments.

Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do and use...

This is a black and white photo of a famous American inventor named Thomas Edison. His many inventions included the practical electric light bulb and phonograph (a device used to play recorded sound).