TeachEngineering
Teach Engineering: Getting to the Point
In this lesson, learners learn how to determine location by triangulation. We describe the process of triangulation and practice finding your location on a worksheet, in the classroom, and outdoors.
Curated OER
Educational Technology Clearinghouse: Maps Etc: Africa Orographical, 1915
A map from 1915 of Africa and Madagascar showing general land elevations above and below sea level, and landform features, including mountain systems, plateaus, deserts, and plains throughout the region. The map uses color-contouring to...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Alaska, 1916
A map of Alaska from 1919 showing the State capital at Juneau, cities, towns, ports, railroads, overland and submarine telegraph lines, major rivers and mountains, coastal features, and islands. The map uses color-contouring to show...
Curated OER
Etc: Gulf Campaigns of the Civil War, 1863 1865
A map of the Gulf Coast from the Mississippi Delta to Pensacola showing the area of the Gulf Campaigns during the Civil War, from 1863 to 1865. The map shows rivers, coastal features, the 100 foot elevation contour, railroads, forts, and...