Curated OER
Educational Technology Clearinghouse: Maps Etc: Drawing the United States, 1872
A map skills exercise from 1872 showing the drawing of the United States with proportional measurements. The map shows state and territory boundaries at the time (Dakota, Montana, Washington, Idaho, Wyoming, Utah, Oklahoma, New Mexico,...
Curated OER
Wikipedia: Natl Historic Landmarks in Ma: Blue Hill Meteorological Observatory
Described as "principal structure associated with the history of weather observation" in the United States, this observatory is home to the oldest continuous weather record in North America, and is where numerous meteorological...
Science Education Resource Center at Carleton College
Serc: Geo Logic: Continental Drift and Plate Tectonics
Using the skills of a paleontologist, learners are asked to match up lecturers with what day and time they teach, and how many students they have based on clues given from several different perspectives. In the second part of the...
TeachEngineering
Teach Engineering: Dams
Through eight lessons, students are introduced to many facets of dams, including their basic components, the common types (all designed to resist strong forces), their primary benefits (electricity generation, water supply, flood...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Plan of Pittsburgh, 1903
A plan of Pittsburgh from 1903 showing principal streets, railroads and stations, bridges, and landmarks. "Pittsburgh, the second largest city of Pennsylvania, and the leading iron, steel, and glass manufacturing center of the United...
Curated OER
Etc: Maps Etc: Test Vote on the Kansas Nebraska Bill, 1854
A map of the United States in 1854 showing the results of the test-vote on the Kansas-Nebraska Bill in the House of Representatives, which would repeal the Missouri Compromise of 1820 and allow territorial settlers to determine if...