Students integrate history and science while discovering how salinity affects the density of water. After a lecture/demo, students work in groups to complete a lab activity that demonstrates how salinity affects the density of water.

Students use the scientific method to conduct an experiment and use varied methods to gather background information. They correctly use lab equipment and prepare tables and graphs that organize, conclude, and present their findings. ...

Students develop critical thinking and awareness about the complexity of natural resource use, wealth distribution, population densities, poverty, and the environment. They think about people living in different parts of the world and...

Students watch a video clip about German submarines lost during World War II. They work together to create their own submarine out of a plastic bottle. They test the buoyancy of the submarine in different activities.

Students examine the types of plants brought over to America from immigrants. They research how some of these types of plants cause damage and alter the landscape. They record data and share the information with the community.

This map shows population change among whites in US counties, 1840 to 2000. Each dot represents 500 people. Corresponding historical events and elections are included for each period of time.

This interactive map shows the African-American population change in U.S. counties from 1840 to 2000. Each dot represents 500 people. Corresponding historical events are included for each period of time.