Glaciers Flashcards
What is a glacier?
A glacier is a massive, slow-moving body of ice formed from compacted layers of snow.
True or False: Glaciers only exist in Antarctica.
False
What are the two main types of glaciers?
The two main types of glaciers are valley glaciers and continental glaciers.
Fill in the blank: The largest ice sheet in the world is located in ______.
Antarctica
What is the primary cause of glacier retreat?
The primary cause of glacier retreat is climate change, leading to increased temperatures and melting.
Which region is known for its extensive ice caps and glaciers?
The Arctic region.
Multiple Choice: Which of the following is a consequence of melting glaciers? A) Rising sea levels B) Increased biodiversity C) More freshwater availability
A) Rising sea levels
What is the term for the process by which glaciers flow and shape the landscape?
Glacial erosion
True or False: The Antarctic ice sheet contains about 60% of the world’s fresh water.
True
What is the impact of melting Arctic sea ice on global weather patterns?
Melting Arctic sea ice can disrupt weather patterns, leading to extreme weather events.
Fill in the blank: The phenomenon where glaciers melt and contribute to rising sea levels is known as ______.
glacial melt
Short Answer: Name one major glacier in the Arctic.
The Jakobshavn Glacier.
What is the significance of the Antarctic Peninsula in climate change studies?
The Antarctic Peninsula is one of the fastest-warming regions on Earth.
True or False: Glaciers can grow in size if temperatures remain constant.
True
What is the term for the boundary between the zone of accumulation and the zone of ablation in a glacier?
The equilibrium line.
Multiple Choice: Which of the following factors contributes to glacier formation? A) High temperatures B) Low precipitation C) Cold temperatures
C) Cold temperatures
Fill in the blank: The melting of glaciers contributes to ______, which can lead to coastal flooding.
sea level rise
What role do glaciers play in Earth’s freshwater supply?
Glaciers serve as a crucial freshwater reservoir, releasing water gradually into rivers and lakes.
True or False: All glaciers are retreating due to climate change.
False
What is the name of the process by which glaciers transport rocks and sediment?
Glacial transport
Short Answer: What is permafrost?
Permafrost is permanently frozen ground found in polar regions.
Multiple Choice: What percentage of the world’s freshwater is stored in glaciers? A) 20% B) 30% C) 69%
C) 69%
Fill in the blank: The loss of glaciers can disrupt ______ water supplies for millions of people.
drinking
What is the main driver of climate change affecting glaciers?
Human-induced greenhouse gas emissions.