Young scholars compare and contrast the properties of salt water in the oceans/seas and freshwater elsewhere on the planet. They also analyze mixing caused by currents in the ocean, including the effects of warm and cold water as well as...

Pupils research and describe how currents are formed. In groups, they relate specific terms to the formation of currents and locate different currents on a world map. They also examine tides, how they are formed and how they are...

Learners act out different types of circuits, and create their own circuits using wire, a bulb, a battery and a switch.

Eighth graders explore ocean currents and wind patterns. They discover the concept of systems to show how change in one component of a body of water, causes change in other components in that system. Students describe positive and...