The Last Ice Age in Ireland

Active learning works well for this topic because students need to visualize the scale and movement of ice sheets, which are difficult to grasp from static images. Hands-on activities create memorable experiences that link abstract processes like erosion and deposition to real landscapes in Ireland.

• 6th Year
• Global Perspectives and Local Landscapes
• 4 activities
• 30 min–50 min

Learning Objectives

1. Explain the mechanisms by which ice sheets formed and advanced across Ireland during the Devensian glaciation.
2. Analyze photographic and topographical evidence to identify glacial landforms in specific Irish locations.
3. Compare the erosional and depositional impacts of glacial ice on the Irish landscape.
4. Predict potential future changes to glacial landforms in Ireland based on current climate change projections.

Experiential Learning

⏱ 35 min·Pairs

Mapping Activity: Tracing Ice Sheets

Provide outline maps of Ireland; students shade ice-covered areas using evidence cards on drumlins and fjords. Pairs label modern features and draw arrows for ice flow directions. Groups share maps in a gallery walk to compare interpretations.

Prepare & details

Explain how massive ice sheets formed and moved across Ireland.

Facilitation Tip: For the Mapping Activity, provide students with a blank map of Ireland and colored pencils to mark areas of thick ice, thin ice, and ice-free zones based on elevation and topography.

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Experiential Learning

⏱ 45 min·Small Groups

Model Building: Glacier Erosion Stations

Set up stations with ice blocks on sand trays: one for abrasion, one for plucking with tools. Small groups rotate, measure erosion over 10 minutes per station, and record changes with photos or sketches. Discuss results as a class.

Prepare & details

Analyze the evidence of glacial activity visible in the Irish landscape today.

Facilitation Tip: During Glacier Erosion Stations, circulate between groups to ask guiding questions about how ice speed affects erosion, rather than giving answers directly.

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Experiential Learning

⏱ 50 min·Pairs

Field Sketch: Local Landform Hunt

On a schoolyard or nearby site walk, students in pairs identify potential glacial features like rounded hills or striations. Sketch and annotate with evidence notes. Back in class, compile into a shared digital map.

Prepare & details

Predict how future climate changes might impact glacial features.

Facilitation Tip: For the Local Landform Hunt, remind students to record not just the landform but also its size and shape, as these details reveal how glaciers interacted with the rock.

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Experiential Learning

⏱ 30 min·Whole Class

Debate Prep: Climate Predictions

Whole class brainstorms future impacts on Irish glacial sites from warming. Divide into teams to research one feature, prepare arguments, and debate proposed protections. Vote on best ideas.

Prepare & details

Explain how massive ice sheets formed and moved across Ireland.

Facilitation Tip: During the Climate Predictions debate prep, assign roles (e.g., farmer, geologist, conservationist) to ensure all perspectives are explored before the full class discussion.

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Teaching This Topic

Experienced teachers approach this topic by starting with students’ local environment to build relevance, then expanding to regional and national scales. Avoid over-relying on textbook images, as they often misrepresent the dynamic nature of glaciers. Research shows that combining tactile models with field observations creates the strongest understanding of glacial processes and their lasting impact.

What to Expect

By the end of these activities, students will confidently explain how thick ice shaped Irish landforms through erosion and deposition. They will also identify glacial features in maps and local environments, connecting past ice movements to present-day geography.

Watch Out for These Misconceptions

Common Misconception

During the Mapping Activity, watch for students who assume ice sheets covered all of Ireland evenly like a thin blanket.

What to Teach Instead

Ask students to compare their maps with elevation data, pointing out how thicker ice (over 1 km) filled valleys while peaks remained ice-free, using the color-coded key as evidence.

Common Misconception

During the Field Sketch activity, watch for students who think the ice age ended instantly and left no ongoing changes.

What to Teach Instead

Direct students to sketch modern weathering features like cracked rocks or small landslides on their landforms, then discuss how these processes began during the ice age’s retreat.

Common Misconception

During Glacier Erosion Stations, watch for students who believe glaciers only drop materials without changing the land beneath them.

What to Teach Instead

Have students rotate to the erosion tray, where they will see ice dragging sand (abrasion) and lifting pebbles (plucking), then relate these actions to the smooth U-shaped valleys in their local area.

Common Misconception

Common Misconception

Assessment Ideas

Exit Ticket

Provide students with a list of glacial landforms (e.g., drumlin, esker, U-shaped valley, erratic). Ask them to select two and write one sentence describing how each was formed by glacial ice and one sentence about where in Ireland they might find it.

Quick Check

Display a series of images of Irish landscapes. Ask students to identify which features are likely glacial in origin and briefly explain their reasoning, looking for correct identification of landforms and accurate explanations of glacial processes.

Discussion Prompt

Pose the question: 'If global temperatures continue to rise, how might the glacial landforms we see in Ireland today be affected?' Facilitate a class discussion where students use their knowledge of ice, erosion, and deposition to predict changes to features like eskers or moraines.

Extensions & Scaffolding

• Challenge students to predict how a specific Irish town’s landscape would change if another ice age began tomorrow, using their erosion and deposition knowledge.
• Scaffolding for struggling students: Provide labeled diagrams of glacial features to match with descriptions during the exit ticket.
• Deeper exploration: Have students research how climate change is altering modern glaciers in other parts of the world and compare findings to Irish glacial landforms.

Key Vocabulary

Devensian glaciation	The most recent glacial period in Ireland, lasting from approximately 30,000 to 11,000 years ago, during which ice sheets covered much of the island.
Till	Unsorted, unstratified sediment deposited directly by glacial ice, often forming a layer of clay, sand, gravel, and boulders.
Drumlin	An elongated hill formed by glacial ice acting on underlying unconsolidated till or ground moraine, typically found in clusters known as 'baskets of eggs'.
Esker	A long, winding ridge of stratified sand and gravel, deposited by meltwater streams flowing beneath or within a glacier.
Arran	A large, isolated boulder transported a significant distance from its origin by glacial ice and deposited as the ice melted.