The Last Ice Age (Leaving Cert Geography): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What percentage of Earth's land surface is currently covered by glaciers?
What percentage of Earth's land surface is currently covered by glaciers?
10%
What are extended cold periods when glaciers covered entire continents called?
What are extended cold periods when glaciers covered entire continents called?
Ice ages
Approximately when did the most recent ice age start?
Approximately when did the most recent ice age start?
2.6 million years ago
What is the geological period of the last ice age called?
What is the geological period of the last ice age called?
Pleistocene
How many distinct periods of glacial advance occurred during the Pleistocene?
How many distinct periods of glacial advance occurred during the Pleistocene?
At least five
Who first proposed the concept of Earth experiencing ice ages?
Who first proposed the concept of Earth experiencing ice ages?
Louis Agassiz
What happens to Earth's crust under the enormous weight of ice sheets?
What happens to Earth's crust under the enormous weight of ice sheets?
It sinks
What is the key condition required for glacier formation?
What is the key condition required for glacier formation?
Snow accumulates faster than it melts
What percentage of air does fresh snow contain?
What percentage of air does fresh snow contain?
90%
What is firn?
What is firn?
Compacted snow with 20-30% air
What is glacial ice also known as?
What is glacial ice also known as?
Blue ice
What type of climatic period are we currently living in?
What type of climatic period are we currently living in?
Interglacial period