Icebergs Quiz

Where are most icebergs found?

• In lakes

• In the tropics

• In the Arctic and Antarctic Oceans

• In the Pacific Ocean

What is an iceberg made of?

• Saltwater ice

• Freshwater ice

• Snow and soil

• Sand and gravel

What is the process called when a chunk of ice breaks off a glacier and falls into the sea?

• Melting

• Drifting

• Calving

• Freezing

Why do icebergs float in the ocean?

• Because saltwater is denser than freshwater

• Because they are made of air

• Because they are small

• Because they are pushed by boats

What fraction of an iceberg is visible above the water?

• One-half

• One-fourth

• One-third

• Less than one-fifth

How are icebergs categorized?

• By their color

• By their shape

• By their location

• By their size

What are tabular icebergs known for?

• Round tops

• Flat, horizontal tops

• Jagged edges

• Fast melting

What can happen to irregular icebergs?

• They turn upside-down

• They stay the same shape forever

• They disappear instantly

• They never move

How long do most icebergs survive before melting away?

• A few days

• About four years

• About 100 years

• A few weeks

What is calving, and why is it important in the formation of icebergs?