glaciers

What is a glacier?

• A build up of Snow

• A build up of hail

• A large body of ice

• a rock with chips of ice

What is the first step of freeze-thaw-weathering

• Expanding water chips off rock

• Water fills a hole in the rock

• Water erodes the rock over time

• Ice chips off pieces of rock

What is plucking?

• Ice scrapes the rock and chips it off

• The formation of ice inside holes in rock

Abrasion and Plucking is the same thing

• True

• False

A small mountain lake or a frozen corrie

Glaciers are salt water/fresh water

• Salt water

• Fresh water

What percentage of the world's land area is made of Glaciers

• 11%

• 23%

• 3.231%

• 69%

How many stages of glacier formation are there?