Physical Geography of South America

South America’s dramatic landforms engage students through multiple senses and learning styles. Hands-on exploration of mountains, rivers, and plains helps students move beyond textbook descriptions to build lasting mental maps of diverse ecosystems.

• 7th Grade
• World Geography & Cultures
• 4 activities
• 35 min–50 min

Learning Objectives

1. Analyze how the elevation changes along the Andes Mountains create distinct temperature and precipitation zones.
2. Explain the ecological significance of the Amazon Rainforest's biodiversity and its role in global carbon cycling.
3. Compare the soil types and agricultural productivity of the Pampas with the Amazon Basin and Andean highlands.
4. Classify landforms and biomes of South America based on their location relative to major physical features like the Andes and Amazon River.
5. Evaluate the impact of the Andes Mountains on human settlement patterns in western South America.

Stations Rotation

⏱ 45 min·Small Groups

Stations Rotation: Landform Explorations

Prepare four stations with topographic maps, clay models, and videos: Andes elevation zones, Amazon layers, Pampas soils, and regional comparisons. Small groups spend 8 minutes per station, sketching features and noting climate impacts, then share findings in a class gallery walk.

Prepare & details

Analyze how the Andes Mountains create distinct climate zones and influence human settlement.

Facilitation Tip: During Station Rotation: Landform Explorations, place tactile maps and labeled diagrams at each station so students can trace elevations and compare widths of landforms with their fingers.

Setup: Tables/desks arranged in 4-6 distinct stations around room

Materials: Station instruction cards, Different materials per station, Rotation timer

• Remember
• Understand
• Apply
• Analyze
• Self-Management
• Relationship Skills

Jigsaw

⏱ 50 min·Small Groups

Jigsaw: Regional Experts

Assign expert groups to research one region (Andes, Amazon, Pampas) using texts and data sheets on climate and human use. Experts teach their findings to mixed home groups, who then answer key questions collaboratively on shared charts.

Prepare & details

Explain the ecological significance of the Amazon Rainforest for global climate.

Facilitation Tip: In Jigsaw: Regional Experts, assign each small group one region and require them to prepare a two-minute presentation that includes a sketch, key fact, and real-world connection.

Setup: Flexible seating for regrouping

Materials: Expert group reading packets, Note-taking template, Summary graphic organizer

• Understand
• Analyze
• Evaluate
• Relationship Skills
• Self-Management

Jigsaw

⏱ 40 min·Pairs

Model Building: Cross-Section Dioramas

Pairs create layered dioramas showing Andes profiles with climate zones, Amazon understory, and Pampas fields using cardboard, paint, and labels. Discuss how landforms influence settlement during a peer critique session.

Prepare & details

Compare the agricultural potential of the Pampas with other South American regions.

Facilitation Tip: For Model Building: Cross-Section Dioramas, provide only corrugated cardboard, paint, and string so groups focus on vertical layering and slope angles rather than decorative materials.

Setup: Flexible seating for regrouping

Materials: Expert group reading packets, Note-taking template, Summary graphic organizer

• Understand
• Analyze
• Evaluate
• Relationship Skills
• Self-Management

Jigsaw

⏱ 35 min·Whole Class

Data Dive: Agricultural Comparisons

Whole class analyzes crop yield charts and satellite images comparing Pampas to Amazon and Andes. In pairs, students graph differences and predict settlement patterns, presenting to the class.

Prepare & details

Analyze how the Andes Mountains create distinct climate zones and influence human settlement.

Facilitation Tip: During Data Dive: Agricultural Comparisons, give each student a blank climate graph template before they plot wheat yields versus rainfall to build data literacy step-by-step.

Setup: Flexible seating for regrouping

Materials: Expert group reading packets, Note-taking template, Summary graphic organizer

• Understand
• Analyze
• Evaluate
• Relationship Skills
• Self-Management

Teaching This Topic

Teachers find success when they blend large-scale physical processes with local human impacts. Avoid starting with definitions; instead, let students discover elevation thresholds and wind patterns through guided mapping and modeling. Research shows that tactile and visual modeling builds spatial reasoning better than lectures alone.

What to Expect

Students will confidently identify and explain the Andes, Amazon Basin, and Pampas on a mental map, describe how elevation and wind shape regional climates, and compare agricultural potential across landscapes using data and models.

Watch Out for These Misconceptions

Common Misconception

During Station Rotation: Landform Explorations, watch for students who sketch the Andes as a single tall spike rather than a layered range.

What to Teach Instead

Have students run their fingers along the tactile map’s ridgeline, then lift the map to feel the elevation layers underneath; prompt them to trace how wind direction changes vegetation on each slope.

Common Misconception

During Jigsaw: Regional Experts, watch for students who describe the Amazon as uniformly wet jungle without noting rivers or threats.

What to Teach Instead

Provide each expert group with a transparent overlay of the Amazon Basin river network; ask them to mark deforestation zones and explain how river flow supports biodiversity and agriculture.

Common Misconception

During Data Dive: Agricultural Comparisons, watch for students who assume Pampas yields match all South American regions.

What to Teach Instead

Direct students to overlay their wheat graphs with Amazon crop data and Andes altitude limits; ask them to explain why soil depth and moisture drive the Pampas advantage.

Assessment Ideas

Exit Ticket

After Station Rotation: Landform Explorations, hand out blank maps and ask students to label landforms and draw arrows for prevailing winds plus rain shadows on the Andes.

Quick Check

After Model Building: Cross-Section Dioramas, give students a short paragraph frame with blanks to explain how elevation and wind create wet and dry slopes on opposite sides of the Andes.

Discussion Prompt

During Jigsaw: Regional Experts, use a cooperative turn-and-talk prompt: 'Compare your region’s agricultural potential and climate. Which region would you choose for your family farm and why?' Circulate to listen for evidence of soil, elevation, and water factors.

Extensions & Scaffolding

• Challenge early finishers to design a sustainable cattle ranch layout on the Pampas that incorporates soil conservation and windbreaks.
• Scaffolding for struggling students: provide pre-labeled elevation strips for diorama layers and sentence starters for regional expert presentations, such as 'Our region is important because...'.
• Deeper exploration: host a gallery walk of dioramas and have students write a one-paragraph travel blog entry describing the climate and agriculture they observe in each landscape.

Key Vocabulary

Andes Mountains	The longest continental mountain range in the world, forming a continuous highland along the western edge of South America.
Amazon Basin	A vast, low-lying area in South America dominated by the Amazon River and its tributaries, characterized by tropical rainforest.
Pampas	A vast, fertile South American lowland plain, characterized by rich grasslands and temperate climate, primarily in Argentina and Uruguay.
Rain Shadow	A region of significantly reduced rainfall on the leeward side of a mountain range, caused by air losing moisture as it rises and cools on the windward side.
Biodiversity	The variety of plant and animal life in a particular habitat, ecosystem, or the world. The Amazon Rainforest is known for its exceptionally high biodiversity.