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Secondary 4 Geography Physical Geography Quiz
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Questions
Secondary 4 Geography Quiz - Physical Geography
Name: __________________________
Class: __________________________
Date: __________________________
Score: ______ / 50
Duration: 45 Minutes
Total Marks: 50
Instructions:
- Answer all questions.
- Write your answers in the spaces provided.
- Marks are indicated in brackets [ ] at the end of each question or part-question.
- Use of geographical terminology is expected.
Section A: Weather, Climate, and Climate Change (Questions 1-5)
1. Study the climate graph below, which represents the average monthly temperature and rainfall for Station X.
(Imagine a graph showing: High temperatures consistently around 27°C year-round; Rainfall peaks in Nov-Jan (approx. 250mm) and has a drier period in Jun-Jul (approx. 100mm). Total annual rainfall approx. 2000mm.)
(a) Calculate the annual range of temperature for Station X. [1]
(b) Name the climate type of Station X. [1]
2. Differentiate between weather and climate. [2]
3. Study Figure 1, which shows the formation of relief rainfall.
(Imagine a diagram showing moist air rising over a mountain, cooling, condensing, and raining on the windward side, while dry air descends on the leeward side.)
(a) Identify the area labeled 'A' (the dry area on the leeward side). [1]
(b) Explain the process of relief rainfall formation with reference to Figure 1. [2]
4. Explain why Station X experiences a distinct wetter season between November and January. [2]
5. Describe two impacts of rising sea levels on low-lying coastal settlements. [2]
Section B: Tectonics and Plate Boundaries (Questions 6-10)
6. Study Figure 2, which shows the structure of the Earth.
(Imagine a cross-section diagram labeling: Crust, Mantle, Outer Core, Inner Core.)
(a) Name the layer labeled 'B' which is semi-molten and allows tectonic plates to move. [1]
(b) Explain how convection currents in the mantle cause tectonic plates to move. [2]
7. Study Figure 3, which shows a convergent plate boundary between an oceanic plate and a continental plate.
(a) Explain why the oceanic plate subducts beneath the continental plate. [1]
(b) Describe one hazard associated with this type of plate boundary. [2]
8. Explain how fold mountains are formed at a collision zone between two continental plates. [2]
9. "Preparedness measures are more effective than prediction in reducing the impact of earthquakes." State one reason why prediction is difficult for earthquakes. [1]
10. State one example of a preparedness measure that can reduce the impact of earthquakes. [2]
Section C: Coastal Processes and Management (Questions 11-15)
11. Study Figure 4, which shows a coastal landform.
(Imagine a photo of a Stack.)
(a) Name the landform shown in Figure 4. [1]
(b) Describe the sequence of erosion processes that lead to the formation of this landform, starting from a headland. [2]
12. Distinguish between constructive and destructive waves based on their frequency. [1]
13. Which type of wave (constructive or destructive) is responsible for coastal erosion? [1]
14. Explain how the geology of a coastline can influence the rate of coastal erosion. [2]
15. Define the term longshore drift. [2]
Section D: Integrated Physical Geography (Questions 16-20)
16. "Human activities are the primary cause of recent global climate change." State one human activity that contributes to global warming. [1]
17. Explain how the activity mentioned in Question 16 contributes to the greenhouse effect. [2]
18. Name one natural factor that can influence global climate. [1]
19. Study the following statement: "Volcanic eruptions can cause short-term global cooling." Explain why this occurs. [2]
20. Compare the density of oceanic crust and continental crust. [2]
End of Quiz
Answers
Secondary 4 Geography Quiz - Physical Geography (Answer Key)
Section A: Weather, Climate, and Climate Change
1. Climate Graph Analysis (a) 0°C (or very small range, e.g., 1-2°C). Accept answers showing calculation: Max Temp - Min Temp. [1] (b) Tropical Monsoon (or Equatorial with monsoon influence). Note: If rainfall shows distinct wet/dry seasons, it is Monsoon. Based on the prompt description (distinct wetter season), Tropical Monsoon is the precise answer. [1]
2. Weather vs. Climate
- Weather refers to the atmospheric conditions at a specific place over a short period (hours or days). [1]
- Climate refers to the average weather conditions of a place over a long period (usually 30-35 years). [1]
3. Relief Rainfall (a) Rain shadow area. [1] (b) Process:
- Moist air is forced to rise over the mountain barrier, cools, and condenses to form rain on the windward side. [1]
- The air descends on the leeward side, warming up and becoming drier. [1]
4. Climate Change Causes (Seasonal Shift)
- During Nov-Jan, the Inter-Tropical Convergence Zone (ITCZ) shifts southwards over Station X. [1]
- This causes the convergence of trade winds, forcing air to rise and resulting in heavy convectional rainfall. [1]
5. Impacts of Sea Level Rise
- Inundation/Flooding: Low-lying land is submerged, leading to loss of homes or infrastructure. [1]
- Saltwater Intrusion: Seawater enters freshwater aquifers, contaminating drinking water supplies. [1]
Section B: Tectonics and Plate Boundaries
6. Earth Structure (a) Asthenosphere (or Upper Mantle). [1] (b) Convection Currents:
- Heat from the core causes magma to rise, spread, and drag tectonic plates. [1]
- The magma then cools, becomes denser, and sinks, creating a circular current. [1]
7. Convergent Boundary (Oceanic-Continental) (a) Subduction Reason: The oceanic plate is denser (heavier) than the continental plate. [1] (b) Hazards:
- Earthquakes: Friction between plates builds stress, released as seismic waves. [1]
- Volcanic Eruptions: Melting of the subducted plate creates magma, forming volcanoes. [1] (Award 2 marks for one well-explained hazard)
8. Fold Mountain Formation
- Two continental plates converge; since neither subducts, the crust crumples and folds upwards. [1]
- Over millions of years, these uplifted folds form high mountain ranges. [1]
9. Prediction Difficulty
- Earthquakes cannot be predicted accurately in terms of exact time and location. [1]
10. Preparedness Measure
- Building Codes: Constructing earthquake-resistant structures to prevent collapse. [1]
- Education: Drills (e.g., drop, cover, hold) to ensure people know how to react. [1] (Award 2 marks for one well-explained measure)
Section C: Coastal Processes and Management
11. Coastal Landforms (a) Stack. [1] (b) Formation Sequence:
- Waves attack weaknesses in the headland to form a cave, which erodes through to form an arch. [1]
- The roof of the arch collapses, leaving an isolated pillar of rock (stack). [1]
12. Wave Frequency
- Constructive Waves: Low frequency (<10/min). [0.5]
- Destructive Waves: High frequency (>10/min). [0.5] (Award 1 mark for correct distinction)
13. Erosive Wave Type
- Destructive waves. [1]
14. Geology and Erosion Rate
- Rock Type: Hard/resistant rocks (e.g., granite) erode slowly, while soft rocks (e.g., clay) erode quickly. [1]
- Structure: Rocks with many joints are more susceptible to erosion. [1]
15. Longshore Drift
- The movement of sediment along the coast. [1]
- Caused by waves approaching the shore at an angle (swash) and returning perpendicular (backwash). [1]
Section D: Integrated Physical Geography
16. Human Activity
- Burning of fossil fuels (or deforestation, or industrial agriculture). [1]
17. Greenhouse Effect
- Burning fossil fuels releases greenhouse gases (CO2). [1]
- These gases trap heat in the atmosphere, preventing it from escaping into space. [1]
18. Natural Factor
- Volcanic eruptions (or solar variations, or orbital changes). [1]
19. Volcanic Cooling
- Volcanic ash and sulfur dioxide block incoming solar radiation. [1]
- This reduces the amount of heat reaching the Earth's surface, causing temporary cooling. [1]
20. Crust Density
- Oceanic Crust: Denser (heavier). [1]
- Continental Crust: Less dense (lighter). [1]