This chapter is about how rock breaks down and how slopes change. The four lessons build from telling processes apart to choosing how to manage a slope.
The hub sits inside physical geography. Rock type matters here, so rocks and rock-cycle reasoning is useful background.
What does this area cover?
Four skills run through the cluster.
- Distinguishing weathering, erosion and mass movement in a scenario.
- Explaining physical and chemical weathering under stated conditions.
- Interpreting a slope diagram for interacting mass-movement factors.
- Comparing management measures using the supplied geographical context.
How do the lessons connect?
The first lesson gives you the three terms. The second goes deeper on weathering, the third on what makes a slope fail, and the fourth on what people can do about it.
Each lesson needs the one before, because a management choice only makes sense once you know the process you are trying to slow.
A short worked example
A scenario says a road cutting has small rock pieces piled at its base and cracks in the rock face. Ask one question: did material move from its place?
Cracks with no movement are weathering. Pieces carried away by a stream are erosion. A mass of soil that slid down the slope under gravity is mass movement. One question sorts the terms.
Who should start where?
- Form 4 students meeting these terms for the first time: start with distinguishing the three processes.
- Students who confuse physical and chemical weathering: start with the weathering lesson.
- Students aiming for higher marks: start with the slope diagram and the management comparison.
Test yourself with the weathering and mass movement practice set and the map and graph reading practice. If you want a teacher to go through scenarios with you, see online one-to-one Geography tuition.