Science Education Resource Center at Carleton College
Serc: Healthy Waters
By the end of this lesson, learners will understand how we can use macroinvertebrates to determine the quality of water in a river or stream.
A&E Television
History.com: How Mesopotamia Became the Cradle of Civilization
Environmental factors helped agriculture, architecture and eventually a social order emerge for the first time in ancient Mesopotamia. Mesopotamia's name comes from the ancient Greek word for "the land between the rivers." That's a...
PBS
Pbs Learning Media: Why We Should Protect Freshwater Mussels
In this interactive lesson, students will increase their understanding of the important role that freshwater mussels play in our watershed. Students will learn about freshwater mussel species, how mussels improve water quality in rivers...
TeachEngineering
Teach Engineering: Choosing a Pyramid Site
Working in engineering project teams, students evaluate sites for the construction of a pyramid. They base their decision on site features as provided by a surveyor's report; distance from the quarry, river and palace; and other factors...