Glaciation introduction

How much of the Earth's surface is covered by ice?

• 5%

• 10%

• 14%

• 18%

Where is most of the Earth's ice is located?

• Iceland

• Greenland

• Patagonia

• Antarctica

What name is given to the long cold periods when ice sheets and glaciers flourish?

• glaciation

• glacials

• inter-glacials

• ice age

How big is an ice sheet?

• Between 10000 and 20000 km²

• Between 20000 and 30000 km²

• Between 30000 and 50000 km²

• More than 50000 km²

An ice cap covers an area less than 50000 km². What is an ice cap also known as?

• Ice field

• Ice sheet

• Ice cream

• Ice axis

Which line is a rough guide to showing the southernmost extent of glaciation in the UK?

• Severn-Thames line

• Severn-Trent line

• Severn-Humber line

• Tees-Exe Line

Which of the following is an example of an ice cap?

• Scottish Highlands

• Sahara

• Iceland

• Lake District

A thick, floating slab of ice that forms where a glacier or ice flows down a coastline is known as what?

• Ice sheet

• Ice shelf

• Ice field

• Ice cap

Where are glaciers most likely to occur?

• In high latitudes and high altitudes

• In low latitudes and low altitudes

• In high latitudes and low altitudes

• In low latitudes and high altitudes

A glacier can be described as...

• a river that freezes every winter.

• an accumulation of blocks of ice in a river.

• a floating slab of ice on the sea.

• a large mass of ice, often shaped like a river, that flows very slowly, under the force of gravity.