Avalanches

Question 1

What’s an avalanche?

Answer 1

Massive snow and ice that moves very rapidly down a mountain side

Question 2

Physical causes of Avalanches

Answer 2

Heavy snow fall
Melting weakens the layers of snow and ice causing them to be unstable
Small earthquakes

Question 3

Human causes of avalanches

Answer 3

People skiing or snowboarding can cause increased pressure on the layers of snow

Question 4

What happens when too much heavy snowfall complies?

Answer 4

A weak ice layer can break and cause all the snow to fall

Question 5

Ways in which to reduce the chances of an Avalanche

Answer 5

Weather watching for areas at risk
Experts monitoring the snow
Wooden fences
Trees
Shoots for roads and buildings at risks

Question 6

Why would wooden fences be helpful to stop an avalanche?

Answer 6

To hold back the snow

Question 7

How can trees be helpful to reduce avalanche?

Answer 7

They hold snow together
They break up smaller avalanches

Question 8

What can happen as a result of an avalanche ?

Answer 8

Lives are lost
Buildings and roads are destroyed
Living things being injured or buried alive in snow