Glaciers

Glaciers are ...

• a big pile of snow.

• huge, thick masses of ice.

• many frozen lakes.

• islands.

How long does it take a glacier to form?

• 2 days.

• 1000 years.

• over decades or centuries.

• yesterday.

The world's largest glacier is

• Mount Everest.

• Cole Manor School.

• Norristown.

• the Lambert-Fisher in Antarctica.

Glaciers hold about 69% of the world's fresh water.

• true

• false

What causes glaciers to change shape and move?

• gravity

• tornadoes

• rivers underneath

• They don't move.

Glaciers move

• quickly

• very slowly

Pieces of glaciers that break off and fall into the ocean are called

• ice cubes

• ice cream

• icebergs

• icicles

Glaciers carry stuff as they move. These massive boulders and tiny grains are called

• mars

• stuff

• food

• particles

As large glaciers move, they can carve deep grooves in the earth called

• mountains

• valleys

• rivers

• oceans

Some glaciers can even be found in

• Norristown

• New York City

• Mexico

• the sky