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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, History, Geography

Authors: National Park Service

Region: North America, USA - West, United States, Montana

Languages: English

Positives

The slider feature on the photos will be engaging for students.
These photo pairs do a great job of illustrating the effect of climate change on glaciers.
The photos can be used in a wide variety of subjects and grade levels.

Additional Prerequisites

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. All images are available for download.

Differentiation

These photos would act as a great phenomena to start a Next Generation Science Standards lesson or unit on the effects of global warming or the cause of rising sea levels.
The resource Images of Change by NASA has similar slidable 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

Teaching Tips

Standards

Resource Type and Format

All resources can be used for your educational purposes with proper attribution to the content provider.