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Antarctica's Climate and Sea Ice Quiz
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Antarctica's Climate and Sea Ice Quiz

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Questions and Answers

What is the role of Antarctica in global climate?

Antarctica plays a significant role in global climate.

What are ice sheets and ice shelves?

Ice sheets are masses of glacial ice made from snow and ice that has fallen on land covering more than 50,000 sq km. Ice shelves are the floating extensions of the land-based ice sheets, making up almost half of the coastline.

How does sea ice impact the planet's temperature?

Sea ice reflects the sun's light back out into space, lessening heat absorption into the ocean and keeping the planet cool.

What does sea ice provide for ecosystems in Antarctica?

<p>Sea ice supports ecosystems by providing a solid structure for algae growth, which is an important part of the food web. Sea ice also provides a habitat for fish and other animals.</p> Signup and view all the answers

How does sea ice impact weather patterns in the southern hemisphere?

<p>Sea ice influences where storms form around the continent and impacts weather patterns in the southern hemisphere.</p> Signup and view all the answers

Why are researchers studying the expansion of sea ice in Antarctica?

<p>Sea ice has expanded in Antarctica over the past 30 years, and researchers are studying the reasons why.</p> Signup and view all the answers

What is the impact of changes to the ocean caused by sea ice on the global climate?

<p>Changes to the ocean caused by sea ice take a long time to impact the global climate due to the ocean conveyor belt's slow circulation.</p> Signup and view all the answers

What is the significance of sea-level rise caused by melting ice in Antarctica?

<p>Sea-level rise caused by melting ice in Antarctica is a significant concern for coastal areas around the world, including New Zealand.</p> Signup and view all the answers

Study Notes

Antarctica's Climate: The Impact of Sea Ice on the Global Climate

  • Antarctica is the coldest continent on Earth, with almost all of it covered in a thick layer of ice.
  • The continent is the fifth-largest in the world, surrounded by the Southern Ocean, and plays a significant role in global climate.
  • Ice sheets are masses of glacial ice made from snow and ice that has fallen on land covering more than 50,000 sq km.
  • Ice shelves are the floating extensions of the land-based ice sheets, making up almost half of the coastline.
  • Sea ice is formed from frozen seawater and expands during winter, doubling the size of the continent when viewed from space.
  • Sea ice has expanded in Antarctica over the past 30 years, and researchers are studying the reasons why.
  • Sea ice reflects the sun's light back out into space, lessening heat absorption into the ocean and keeping the planet cool.
  • Sea ice supports ecosystems by providing a solid structure for algae growth, which is an important part of the food web.
  • Sea ice protects the upper ocean from cold atmospheric temperatures and provides a habitat for fish and other animals.
  • Sea ice influences where storms form around the continent and impacts weather patterns in the southern hemisphere.
  • Changes to the ocean caused by sea ice take a long time to impact the global climate due to the ocean conveyor belt's slow circulation.
  • Sea-level rise caused by melting ice in Antarctica is a significant concern for coastal areas around the world, including New Zealand.

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Description

Test your knowledge on Antarctica's climate and the impact of sea ice on the global climate with this informative quiz. Discover the different types of ice in Antarctica, the role it plays in global climate, and the effects of sea ice expansion and melting. Challenge yourself with questions on sea ice ecosystems, weather patterns, and the potential risks of sea-level rise. Get ready to dive into the fascinating world of Antarctica's climate and its impact on our planet!

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