April 12, 2021

Guided Primary Source Analysis: Shrinking Glaciers

Zoom into the map and analyze it, creating a bulleted list of what you learned from your analysis and another list of any questions that you have; click the image above to access the source record. Use the scale to trace a 1-mile square grid over the image portion of the map. Use the grid to determine a rough estimate of the number of square miles of glacier coverage, jotting down the number. Then create a square-mile grid for this timelapse map to determine rough estimates of the number of … [Read more...]