Curated OER
Animated Map of Human Population
This animated map shows world population growth from the year 1 to 2020 A.D. Note the changing years as you observe the growth on a map of the world.
PBS
Wgbh/pbs: Westward Expansion 1860 1890
Many changes across the country during the westward expansion were features that could be captured on a map. Review this map and select characteristics to be illustrated. Characteristics such as population, major cities, railroads, and...
Curated OER
Unesco: Palau: Rock Islands Southern Lagoon
Rock Islands Southern Lagoon covers 100,200 ha and includes 445 uninhabited limestone islands of volcanic origin. Many of them display unique mushroom-like shapes in turquoise lagoons surrounded by coral reefs. The aesthetic beauty of...