Ribbon Lake

What process describes water freezing in rock cracks, expanding, and eventually causing the rock to break?

• Differential erosion

• Freeze-thaw

• Abrasion

• Plucking

Which term refers to the process where ice freezes onto bedrock and pulls loose rocks away?

• Abrasion

• Freeze-thaw

• Plucking

• Moraine formation

What is the term for when angular rock embedded in ice grinds the hollow as the glacier moves?

• Plucking

• Erosion

• Freeze-thaw

• Abrasion

What happens during differential erosion?

• Water freezes in rock cracks

• Soft rock erodes faster than hard rock

• Rocks are pulled from the glacier

• Ice freezes on to bedrock

What type of lake is formed by a moraine dam?

• Artificial lake

• Glacial lake

• Moraine dammed loch

• Oxbow lake