Glaciation Quiz

What is the definition of glaciation?

• The melting of icebergs

• The activity of glaciers including formation, movement, and withdrawal

• The freezing of oceans

• The creation of snowflakes

What percentage of Earth's surface is currently covered by glaciers?

• 5%

• 10%

• 20%

• 30%

During the last glacial period, what percentage of Earth's surface was covered with glaciers?

• 10%

• 20%

• 30%

• 40%

What are Alpine Glaciers known for?

• Forming on plains

• Creating valleys on mountains

• Being found only in Antarctica

• Covering entire continents

What is the largest glacier in the Canadian Rockies?

• Athabasca Glacier

• Columbia Icefield

• Saskatchewan Glacier

• Dome Glacier

What major geographical feature was formed by glacial activity?

• The Sahara Desert

• The Great Lakes

• The Amazon River

• The Himalayas

What did J. Tuzo Wilson name the improved theory?

• Continental shift

• Plate tectonics

• Earth movement

• Tectonic drift

What evidence supports the theory of continental drift?

• Fossil evidence on warm continents

• Volcanic eruptions

• Earthquakes

• Ocean currents

What is one effect of climate change on glaciers?

• Glaciers expand

• Glaciers retreat

• Glaciers remain stable

• Glaciers become colder

What does Earth's outer shell consist of according to the proposed theory?

• 10 tectonic plates

• 15 tectonic plates

• 20 tectonic plates

• 25 tectonic plates