4.2.Glaciers: what and where

Fill in the blank:

_____ are large masses of ice, that flow across the land, and down slopes.

• Ice sheets

• Water

• Ice age

• Glaciers

Ice sheets are _______

• a sheet of ice attached to land, but floats on the sea

• a giant glacier that covers a huge area

• a large piece of the ice shelf which has broken off

• None of them is correct

Look at this picture and realize what is it?

• Crevasses

• Snow

• Ice crystals

• Icebergs

Glaciers form when _____

• less snow falls than melts

• more snow falls than melts

• less rain falls than freezes

• more rain falls than freezes

How much ice does Antartica and Greenland take up?

• 50℅

• 72℅

• 99℅

• 85℅

How do glaciers flow?

(Choose more than 1 answer)

• By the flow of the ocean current

• When ice crystals slide over each other, under pressure

• The ice at the bottom of the glacier may melt

• By the rain

What do glaciers depend on?

• Snow

• Rain

• Lake

• Climate

Ice that breaks away from the ice shelf is called an _______

• ice sheet

• ice shelf

• ice age

• iceberg

Where do glaciers flow to?

• Land

• Lake

• It flows down the side of the mountain, in a valley

• Waterfall

In Antarctica, the ice flows into the ocean in places, and floats as an _____

• iceberg

• ice shelf

• ice sheet

• ice age