Glacier Repeat Photos
Activity - Classroom
Grades6, 7, 8, 9, 10, 11, 12Earth and Space Sciences, Geography
This resource has been reviewed by SubjectToClimate's climate scientists and verified for scientific accuracy and up-to-date information. Learn about our review process →
Provided by National Park Service
What it is
- 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.
Teaching tips
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.
From the scientist review
This resource contains photos that describe the physical process of glaciers and compare the level of retreat from each interval until 2021. The report is evidence-based, and it is recommended for teaching.
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Hosted on nps.gov
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