Comparing Canyon Landscapes

Overview

In this fourth lesson of the unit “Exploring Landscapes: Australia vs Peru”, students compare the Blue Mountains (Australia) and Colca Canyon (Peru). They identify key geographical features, explain how places are shaped over time, and evaluate visitor impacts.

Learning intentions

• Students will identify the main features and characteristics of the Blue Mountains and Colca Canyon.
• Students will describe how each environment has changed and formed (including the role of natural processes).
• Students will explain how visitors can manage and protect landscapes from damage.
• Students will use geographical terms and evidence from maps/images to support comparisons.

Success criteria

• I can name and describe at least three geographical features for each place.
• I can explain one natural process that helps account for each landform’s shape.
• I can identify at least two types of visitor impact and propose one management response.
• I can compare the two landscapes using evidence (e.g. elevation, rock type, river/canyon shape, landform patterns).

Curriculum links

• GELS-DFC-02: Students identify features or characteristics of places and environments.
• GELS-PRI-01: Students describe how places and environments change.
• GELS-MAN-01: Students demonstrate ways to manage and protect a place or environment.
• Environmental change and management (Stage 4 Geography focus).

Lesson structure (60 minutes)

1. 0–5 min · Hook (visual compare). Teacher displays two side-by-side images: Blue Mountains lookouts and Colca Canyon terraces/river corridor; asks students to circle similarities and differences. Students complete a quick think: “What looks the same? What looks different? What might cause that?”

2. 5–15 min · Direct teach (landform basics + impact lens). Teacher introduces a simple comparison framework: feature (what you see), process (how it formed), impact (what visitors do), management (how to protect). Students take brief notes and label the framework on their comparison sheet.

3. 15–25 min · Guided practice (features & characteristics). Teacher models using one example: identifies ridges/valleys/lookouts in the Blue Mountains and the canyon walls/river/terraced agriculture areas in Colca Canyon; emphasises accurate geographical language. Students work in pairs to fill a “Feature Bank” for both places using provided image cues and short place cards (teacher reads key facts aloud if needed).

4. 25–35 min · Guided inquiry (how places formed). Teacher explains that landforms result from natural processes over time (e.g. erosion, river cutting, uplift; weathering influences cliffs and slopes). Students complete a “Process Match” section: match a process to a feature pattern and justify in one sentence (e.g. “Because the canyon is narrow and deep, erosion/cutting is likely…”).

5. 35–47 min · Visitor impact scenario (decision-making). Teacher presents two short scenarios:

• Blue Mountains: heavy tourism at lookouts/tracks, litter, erosion on pathways, visitor pressure on habitat.
• Colca Canyon: increased foot traffic near trails/views, risks around steep slopes, pressure on local water/land use. Students identify two impacts per place and classify them as physical (erosion/litter) or human/environmental (habitat disturbance, pressure on resources).

6. 47–57 min · Management response (protect & justify). Teacher shows an example of a good response: “Construct boardwalks and regulate track access to reduce erosion” plus “Use signage/education to reduce litter.” Students choose one management action for each place and write: Action → How it helps → Evidence link to the earlier feature/process/impact.

7. 57–60 min · Exit ticket (check for understanding). Teacher collects a 4-question exit ticket (or students self-submit via LMS if available):

• One feature from each place
• One likely process
• One visitor impact
• One management action

Resources

• Printed comparison worksheet (Feature / Process / Impact / Management grid)
• Image set for Blue Mountains and Colca Canyon (teacher-prepared slides or prints)
• Two short scenario cards (tourism impact for each place)
• Process Match cards (natural processes phrased in student-friendly language)
• Coloured pencils/highlighters for similarities/differences
• Sentence starters strip for writing justifications
• Timer/slide for each step
• Exit ticket slips

Assessment

• Formative during guided practice: teacher circulates and checks use of geographical terms and completed grid sections.
• Formative during scenario task: teacher prompts students who have difficulty distinguishing impacts from management responses.
• Exit ticket: checks that students can identify features, explain a process, and propose evidence-based management.

Differentiation

• Support for students needing scaffolding: provide sentence starters (“One feature is…”, “This likely formed because…”, “Visitors may cause…”, “A suitable management action is…”).
• Support for visual learners: allow use of colour coding (blue for features, green for processes, orange for impacts).
• EAL support: use simplified glossary on the worksheet (canyon, erosion, trail, habitat, management) and read scenario cards aloud.
• Extension for students who finish early: require a second management option and an “expected effect” statement (what will improve and why).
• For students needing additional challenge: offer an “evidence upgrade” prompt—use one specific detail from the images/scenarios in every justification sentence.

Extension (optional)

• Advanced learners choose one of the two places and write a short “field briefing” (8–10 sentences) that includes: three features, two processes, three impacts, and two management strategies, each linked to a specific observation.