An avalanche is....

• a gradual movement of a mass of snow towards the coast

• a slow movement of ices towards a river

• a rapid movement of snow over flat land

• a sudden fast movement of snow down a steep slope

Which of the following is not a method used to manage avalanches in the area of a winter sports resort?

• Brushing the snow off a slope

• Setting off an explosion in the snow

• Building a reinforced tunnel over a road

• Using large fences and barriers

Which of the following is least likely to cause an avalanche?

• The first light snowfall of the winter

• Heavy snowfall

• Skiing

• An earthquake

Which of the following is a type of avalanche?

• Lumpy

• Block

• Slab

• Chunk

Why is the type of avalanche mentioned in the previous question more destructive than a loose snow avalanche?

• It is made from a very large volume of compacted snow

• It occurs over a very wide area and travels a long way

• It carries rocks, trees and other debris with it

• All of the above