For this task students are provided with a diagram of a landslip and an example of a possible cause of this. Students are required to list four other possible causes of landslips.
Layers of different soil/rock strata slipping against each other.
Waterlogged land. Land becoming waterlogged.
Earthquake.
Rivers/streams cutting into banks.
(Heavy) rain.
Farm tracks/roads/tramping tracks, subject to more erosion because of lack of vegetation or because they are on a hillside.
Stock damage to land. (reasons as above)
Rabbits/rabbit burrows. (reasons as above and because they break up soil surface)
Any other possible answer.
4 correct – very difficult
3 correct – very difficult
2 correct – moderate
1 correct – very easy
Diagnostic and formative information:
Common answers
The three most common correct answers given were:
Rain – 35% of all correct answers given.
Earthquakes – 24%
Heavy machinery/equipment going over land etc., – 15%