Physical geography: observing processes and using models carefully
Physical geography connects landscape features with the processes that shape them. This guide uses a coastline enquiry to combine photographs, maps and a small classroom model. It helps pupils distinguish description from explanation and choose resources that communicate change over time without suggesting that every real landscape follows one simple sequence.
Start with a named landscape
Choose a clearly identified coastal location with reliable photographs and a map. Ask pupils to describe visible features before explaining how they formed. Add the date and viewpoint of each photograph so differences between images are not automatically interpreted as changes to the landscape itself.
Introduce a process accurately
The British Geological Survey explains erosion as involving the movement of rock material by processes including water, wind and ice. For a coastal enquiry, distinguish material being removed from material being deposited elsewhere. Use arrows and simple captions to connect a process with a visible feature, checking vocabulary as the explanation develops.
Use a model to ask a small question
A shallow tray with suitable clean sand and a little poured water can illustrate movement of loose material. Keep the tray stable, manage spills and follow the setting’s practical-work arrangements. Ask what moved and where it settled. Explain that the model does not reproduce real rock types, wave action, scale or the long timescales of coastal change.
Return to real evidence
Compare the model’s observations with the original landscape information. Pupils can identify one helpful similarity and one limitation. Younger learners can sequence labelled images; older pupils can compare explanations and identify further evidence needed. Choose posters with clear process labels, named examples and realistic diagrams. Assess whether pupils can distinguish weathering, movement and deposition when these terms have been taught, rather than merely remember the order of pictures on a display.
Action checklist
- Use a named and dated landscape example
- Separate description from process explanation
- State the limits of the classroom model
- Return to real photographs and maps
Common questions
Does a sand-tray model show exactly how a coastline forms?
No. It can illustrate a limited process, but real coasts involve different materials, forces, scales and timescales that the model cannot reproduce.
Sources and scope
Source titles are provided for reference. Check the current original guidance and your school's circumstances before making a policy or compliance decision.
- Schools Direct editorial — Original teaching activity and resource planning notes. Checked 1 November 2026.
- British Geological Survey — Discovering Geology: Erosion. Checked 1 November 2026.