Step 3 · Choose a topic · Class 8

Geography

Explore maps, Earth, water and the world around us.

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Your suggested learning path

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Explore → practise → quiz → revise. Earlier topics are recommended preparation; every topic stays open.

Start here: Follow a drop of water →

Category3 of 3 topics

01Water

Follow a drop of water

Suggested-level exploration

Follow water through evaporation, condensation, precipitation and collection. Select a stage to read its explanation. The animation shows a repeating pathway; real water can also infiltrate soil or remain stored as ice.

Interactive explainer 3-round quiz

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02Maps

Map scales

Suggested-level exploration

A representative fraction of 1:n means that one unit on the map represents n of the same units on the ground. Convert centimetres on the map into kilometres.

Interactive explainer 3-round quiz

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03Water

Rainfall and water volume

Suggested-level exploration

A rainfall depth over a catchment corresponds to a water volume. This ideal calculation assumes every drop is collected, with no infiltration or evaporation.

Interactive explainer 3-round quiz

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