Canadian & World Studies · Grade 11 · Regional Geography: The Americas · Term 4

Physical Landscapes of Central and South America

Exploring the diverse landforms, climates, and biomes of Central and South America, from the Andes to the Amazon.

• Ontario Curriculum Expectations
• ON: Regional Geography: The Americas - Grade 11
• ON: Natural Heritage - Grade 11

About This Topic

The Americas are rich in natural resources, from the oil and gas of Canada and Venezuela to the minerals of the Andes and the timber of the Amazon. In the Ontario curriculum, students analyze the extraction of these resources and the complex trade-offs between economic growth and environmental sustainability. They investigate the 'resource curse', why some resource-rich countries struggle with poverty and instability.

Students also explore the concept of 'sustainability' and whether it's possible to extract resources without destroying the ecosystems that support them. They analyze high-profile cases like the Alberta Oil Sands and the deforestation of the Amazon. This topic is best explored through 'stakeholder' simulations and structured debates, where students must weigh the needs of the economy, the environment, and local communities.

Key Questions

1. Analyze how the Andes Mountains affect South American climate and biodiversity.
2. Explain the significance of the Amazon Rainforest as a global ecosystem.
3. Compare the physical geography of Central America with that of the Caribbean islands.

Learning Objectives

• Analyze how the elevation and orientation of the Andes Mountains influence regional temperature, precipitation patterns, and resulting ecosystems.
• Explain the ecological significance of the Amazon Rainforest as a global carbon sink and biodiversity hotspot.
• Compare and contrast the dominant landforms, climate types, and biome distributions of Central America and the Caribbean islands.
• Classify major landforms and climate zones within South America based on geographical data and maps.

Before You Start

Introduction to Physical Geography

Why: Students need foundational knowledge of landforms, climate, and biomes to understand the specific examples in Central and South America.

Map Skills and Interpretation

Why: The ability to read and interpret topographical maps, climate graphs, and biome maps is essential for analyzing geographical data.

Key Vocabulary

Andes Mountains	A major mountain range running along the western coast of South America, significantly impacting climate and biodiversity through its elevation and length.
Amazon Rainforest	The largest tropical rainforest in the world, covering much of the Amazon basin, vital for global climate regulation and home to immense biodiversity.
Atacama Desert	A coastal desert plateau in South America, known as one of the driest places on Earth, influenced by the rain shadow effect of the Andes.
Isthmus	A narrow strip of land connecting two larger landmasses, with water on either side, such as the land bridge forming Central America.
Trade Winds	Prevailing winds blowing from the subtropical high-pressure belts toward the equatorial low-pressure belt, influencing the climate of Central America and the Caribbean.

Watch Out for These Misconceptions

Common Misconception

We are 'running out' of all natural resources very soon.

What to Teach Instead

While some resources are finite, 'scarcity' is often a matter of technology and price. A 'Resource Reserves' activity can help students see how new technology (like fracking or recycling) can change our 'supply' of resources.

Common Misconception

Resource extraction only affects the 'local' environment.

What to Teach Instead

It has global impacts, such as climate change from fossil fuels or loss of biodiversity from mining. A 'Global Impact' map can help students see the 'teleconnections' between local extraction and global consequences.

Active Learning Ideas

Simulation Game: The Resource Stakeholder Meeting

Students act as representatives of a mining company, an Indigenous community, an environmental group, and the government. They must negotiate the terms of a new resource project, trying to find a 'sustainable' compromise.

60 min·Small Groups

Inquiry Circle: The Life Cycle of a Resource

Groups track a resource (e.g., lithium for batteries or timber for paper) from extraction to processing, use, and disposal. They must identify the 'environmental footprint' at each stage and suggest ways to make it more sustainable.

50 min·Small Groups

Formal Debate: The Future of the Oil Sands

Students debate whether Canada should continue to expand the Oil Sands. They must use evidence regarding 'economic benefits' and 'carbon emissions' to argue for or against the project's long-term sustainability.

60 min·Whole Class

Real-World Connections

• Geologists and hydrologists study the Andes to understand seismic activity and water resources for communities and agriculture in countries like Peru and Chile.
• Conservation organizations like the WWF work in the Amazon Rainforest to protect endangered species and advocate for sustainable land use practices against deforestation pressures.
• Tourism operators in the Caribbean design resort locations and activities considering the unique coastal landforms, coral reefs, and tropical storm patterns characteristic of the islands.

Assessment Ideas

Quick Check

Provide students with a map of South America showing elevation contours and major climate zones. Ask them to identify two specific ways the Andes Mountains create distinct climate conditions on either side of the range.

Discussion Prompt

Pose the question: 'If the Amazon Rainforest were significantly reduced in size, what are three global consequences beyond South America?' Facilitate a class discussion, encouraging students to cite specific ecological roles of the rainforest.

Exit Ticket

On an index card, have students list one key physical feature of Central America and one key physical feature of the Caribbean islands. Then, ask them to write one sentence explaining a significant difference in their geography.

Frequently Asked Questions

How do natural resources fit into the Ontario Geography curriculum?

They are a key part of the 'Natural Heritage' and 'Human-Environmental Interactions' strands. They teach students about the economic importance of the environment and the challenges of managing resources for future generations.

How can active learning help students understand sustainability?

By participating in a 'Stakeholder Simulation,' students realize that sustainability isn't just a 'scientific' problem, it's a 'social' and 'political' one. They experience the difficulty of balancing competing values and interests.

What is the 'Resource Curse'?

It's the paradox where countries with an abundance of natural resources (like oil or minerals) often have less economic growth, less democracy, and worse development outcomes than countries with fewer resources.

What is 'Circular Economy'?

It's an economic system aimed at eliminating waste and the continual use of resources. It's a key strategy for sustainability, focusing on 'reduce, reuse, and recycle' at a massive, industrial scale.