Glaciers and Iceburgs

What is a glacier?

• A large body of saltwater

• A fast-moving river

• A big, slow-moving mass of ice

• A type of mountain

How are glaciers formed?

• From frozen seawater

• From squished together snow

• From volcanic eruptions

• From melted icebergs

What happens when glaciers move down mountains?

• They slide neatly without affecting the land

• They melt completely and form new rivers

• They drag rocks and dirt, altering the landscape through erosion

• They create new mountains

What are icebergs?

• Small pieces of ice found in rivers

• Frozen parts of the ocean

• Floating chunks of ice that have broken off from glaciers

• Underwater mountains made of ice

What is true about the visible portion of an iceberg?

• Most of it is visible above the ocean surface

• It is entirely visible above the ocean surface

• Only a small part is visible above the ocean surface

• Its size above water is always the same as its size below water