Glacial Processes and LandformsActivities & Teaching Strategies
Active learning helps students grasp glacial processes because the scale and timeframe of glaciation can feel abstract. When students analyze maps, discuss scenarios, and examine real landforms, they connect textbook concepts to tangible landscapes they can visualize and discuss.
Learning Objectives
- 1Analyze the erosional and depositional landforms created by continental glaciers in North America.
- 2Explain the formation of the Great Lakes and the fertile plains of the Midwest as direct results of glacial retreat.
- 3Evaluate the impact of glacial meltwater on global sea levels using historical and projected data.
- 4Predict how glacial topography influences modern settlement patterns and transportation networks in the US.
- 5Compare the characteristics of till and outwash plains as glacial depositional environments.
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Map Analysis: Reading the Glacial Landscape
Students receive topographic maps of two contrasting US regions , one heavily glaciated (Great Lakes region) and one not (the Ozark Plateau) , and identify glacial landforms on the first map while explaining their absence on the second. They then connect glacial history to current land use patterns in each region.
Prepare & details
Explain how glacial retreat created the Great Lakes and fertile Midwest plains.
Facilitation Tip: During Map Analysis, ask students to trace the path of past ice sheets with their fingers to reinforce spatial understanding of glacial movement.
Setup: Chairs arranged in two concentric circles
Materials: Discussion question/prompt (projected), Observation rubric for outer circle
Think-Pair-Share: If Greenland Melted
Students calculate the expected sea level rise if the Greenland ice sheet melted entirely (approximately 7 meters) and identify which US coastal cities would be most affected. Pairs compare findings and discuss what infrastructure investments would be necessary, then share conclusions with the class.
Prepare & details
Predict what happens to global sea levels when continental ice sheets melt.
Facilitation Tip: In the Think-Pair-Share, provide a blank map of the U.S. for students to sketch predicted changes if Greenland melted, making the abstract concept of sea level rise more concrete.
Setup: Standard classroom seating; students turn to a neighbor
Materials: Discussion prompt (projected or printed), Optional: recording sheet for pairs
Gallery Walk: Glacial Landforms in the Real World
Post photographs of real US landforms with brief labels: a drumlin field in Wisconsin, the Finger Lakes in New York, a glacial outwash plain in Minnesota, a kettle pond in New England. Students annotate each image with the process that created it and one way the landform has influenced settlement or land use in that region.
Prepare & details
Analyze how glacial topography influences modern transportation routes and settlement patterns.
Facilitation Tip: During the Gallery Walk, have students rotate in groups of three, assigning each student a role: recorder, speaker, and timekeeper to ensure participation.
Setup: Wall space or tables arranged around room perimeter
Materials: Large paper/poster boards, Markers, Sticky notes for feedback
Teaching This Topic
Experienced teachers approach this topic by grounding abstract processes in familiar places. Start with local landscapes students may have seen, then expand to regional and national maps. Avoid overemphasizing terminology—focus instead on the processes of erosion and deposition and their visible results. Research shows students retain more when they connect glacial features to their own lives, such as how a moraine might affect their daily commute or why their town’s soil is rich for farming.
What to Expect
By the end of these activities, students should be able to identify glacial landforms on maps and in images, explain how ice sheets sculpted the land, and connect glacial history to modern geography and environmental issues. They should also recognize how glaciers influence daily life in the northern United States.
These activities are a starting point. A full mission is the experience.
- Complete facilitation script with teacher dialogue
- Printable student materials, ready for class
- Differentiation strategies for every learner
Watch Out for These Misconceptions
Common MisconceptionDuring Map Analysis, watch for students who assume the Great Lakes formed like typical lakes, such as through river erosion or tectonic activity. Redirect them by having them trace the lake basins on a topographic map and note their U-shaped profiles, which are characteristic of glacial scouring rather than river valleys.
What to Teach Instead
During Think-Pair-Share, if students suggest Greenland melting will only affect coastal areas, ask them to map the 10-meter sea level rise scenario and calculate how far inland floodwaters could reach in their state, using the provided elevation data.
Assessment Ideas
After the Gallery Walk, present students with images of different glacial landforms (e.g., drumlin, moraine, outwash plain). Ask them to identify each landform and briefly describe the glacial process (erosion or deposition) that created it.
After the Think-Pair-Share, pose the question: 'How does the glacial history of the Midwest directly influence where major cities developed and how transportation routes were established?' Facilitate a class discussion, encouraging students to cite specific landforms and their effects.
During Map Analysis, ask students to write two sentences explaining how past ice sheets contribute to current concerns about sea level rise. Then, have them write one sentence connecting glacial deposition to the agricultural productivity of the Midwest.
Extensions & Scaffolding
- Challenge students to research a city in the northern U.S. and create a presentation explaining how glacial landforms influenced its location, growth, and economy.
- For students who struggle, provide labeled diagrams of key landforms alongside unlabeled images to help them match terms to features.
- Deeper exploration: Have students investigate how scientists use glacial landforms to study past climate conditions and predict future changes in ice sheet behavior.
Key Vocabulary
| Glacial Till | Unsorted, unstratified sediment deposited directly by glacial ice, often containing a mix of clay, silt, sand, gravel, and boulders. |
| Outwash Plain | A flat, gently sloping area formed by meltwater streams carrying and depositing sediment away from a glacier's terminus. |
| Drumlin | An elongated hill formed by glacial ice acting on underlying unconsolidated till or ground moraine, shaped like an inverted spoon. |
| Moraine | A mass of rock and sediment carried down and deposited by a glacier, typically as ridges along its edges or at its snout. |
| Erosional Landforms | Features carved into the landscape by the movement of glacial ice and meltwater, such as U-shaped valleys and cirques. |
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