A-Level Geography revision: Fieldwork and Data Collection. Learning objectives, key points, worked examples and practice questions across AQA, Edexcel, OCR, WJEC and CCEA.
Conclude and evaluate: limitations, reliability, validity, improvements
๐ก Worked Example
Exam-Style Question
Question: Design a hypothesis and sampling strategy to investigate how footpath erosion varies with distance from a car park in a national park
Model Answer:
Hypothesis: Footpath erosion decreases with distance from car park due to visitor pressure decay. Systematic sampling: measure path width, depth, vegetation cover every 50m along 1km transect. Risk: weather, terrain. Ethics: minimise disturbance
โ Practice Questions
Questions:
Write a hypothesis for river velocity vs distance downstream
Worked example (10 min): Model the example question: Design a hypothesis and sampling strategy to investigate how footpath erosion varies with distance from a car park in a national park. Solution: Hypothesis: Footpath erosion decreases with distance from car park due to visitor pressure decay. Systematic sampling: measure path width, depth, vegetation cover every 50m along 1km transect. Risk: weather, terrain. Ethics: minimise disturbance
Practice (10 min): Students attempt the practice questions independently; circulate and support.
Plenary (5 min): Review answers and address misconceptions.
๐ Homework
Write a hypothesis for river velocity vs distance downstream
Choose sampling for urban land use survey
Select graph for population vs distance from CBD
Explain when to use Spearman's vs Chi-squared
Identify limitations of a given fieldwork method
๐งพ Assessment
Check practice answers against the model answer; use the built-in practice questions as formative assessment.