Natural geographic processes
Answers are for parents and teachers.
1
List five exogenic processes and write a short definition of each.
Weathering – breaking down of rock; erosion – washing by running water; deflation – wind removal; abrasion – wave erosion; mudflow – a stone-and-mud flow in a mountain valley (or landslide, karst).
2
With a teacher or adult, observe from a safe place one natural geographic process in your area (gully, bank erosion, wind erosion) and write 4–5 sentences.
The answer should name the process, place, appearance, cause and any effect of human activity.
3
At 18 km/h, how many minutes does a mudflow take to cover 9 km? (Number only.)
30
4
Write 3 negative effects of mining on natural processes.
Landslides and collapses; ground subsidence; lowering of groundwater (also dust and spoil heaps).
5
Which natural geographic processes did the fall of the Aral Sea level strengthen? Name two.
Deflation (salt and dust lifted from the exposed bed) and salinisation; changes in climate and soils.