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Glacier Repeat Photos

Provided by: National Park Service|Published on: April 27, 2021

Activity - Classroom

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Synopsis

This resource displays 12 interactive image pairs of glaciers from Glacier National Park in Montana.
The image on the left of each pair is from some point in the early 20th century, and the image on the right is more recent.
Viewers are able to move a slider between the images to see how the glaciers have receded over time.

Subjects: Earth and Space Sciences, Geography

Authors: National Park Service

Region: Montana

Languages: English

Extensions:

This site includes 12 photo pairs, but there are over 60 in the collection. Click the Repeat Photography Project link at the top of the page to read more and view the entire collection.

Classroom Implementation:

Use these photos as a phenomenon to start a Next Generation Science Standards lesson or unit on the effects of global warming or the cause of rising sea levels.

Related Resources:

The resource Images of Change by NASA has similar slideable comparison pictures that illustrate climate change. It includes glaciers as well as images from floods, hurricanes, landslides, and droughts.
Other resources related to glaciers include the lesson and activity Glaciers Interactive Simulation, the experiment What's Happening at the Poles?, and NASA's webpage on Ice Sheets.

Scientist Notes

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Resource Type and Format