Unit 4.1 - 4.3 Upper Geo

A giant glacier that cover a huge area of land is called an ____________.

• iceberg

• ice sheet

• ice shelf

• ice age

After the last ice age people returned to the British Isles about ________ years ago.

• 100,000

• 48,000

• 12,000

• 8,000

First people arrived in Britain ___________ years ago.

• 50 thousand

• 40 thousand

• 30 thousand

• 20 thousand

What is the name for large cracks that form on glaciers?

• crevasse

• cravat

• fracture

• fault

What is the name for the deep scratches in rock that are the result of abrasion?

• suspensions

• sediments

• straits

• striations

Which material is not part of glacial till?

• rock

• ice

• sand

• clay

What is the process during which water freezes in cracks in rock eventually causing it to break into smaller pieces?

• plucking

• deposition

• abrasion

• freeze-thaw weathering

What is the process during which material is deposited by a glacier?

• erosion

• deposition

• transportation

• freeze-thaw weathering

What is the process during which a glacier picks up material by freezing around it?

• plucking

• transportation

• deposition

• freeze-thaw weathering

What is the process or result of being covered by a glacier called?

• glacial

• glaciated

• glaciation

• glacier