ES-10.6-The Ice Age

Multiple Choice

BELLRINGER:

During the Last Glacial Maximum, Siberia was connected to,

• Antartica

• Argentina

• Alaska

• Arabia

Multiple Choice

Which of the following statements about the Ice Age is correct?

• 30% of Earth's land was covered by ice during the Ice Age.

• Only 5% of Earth's land was covered by ice during the Ice Age.

• North America had less than 1 million square kilometers glaciated.

• There were over 100 glacial/interglacial cycles identified.

Multiple Choice

Which of the following is NOT evidence for multiple glacial advances discovered by scientists in the 19th century?

• Chemical weathering zones

• Warm-climate plant remains between layers

• Ocean floor sediments revealing 100,000-year cycles

• Multiple drift layers

Open Ended

Compare the extent of glacial ice in the Northern Hemisphere to the Southern Hemisphere and explain why there is a difference.

Multiple Choice

What are the two fundamental questions that drive research into the causes of ice ages?

• Long-term cooling and short-term cycles

• Plate tectonics and atmospheric changes

• Glacial advances and interglacial periods

• Ocean floor sediments and chemical weathering

Multiple Choice

During the Ice Age, approximately what percentage of Earth's land was covered by ice?

• 10%

• 30%

• 50%

• 70%

Multiple Choice

Which factors are listed as amplifying the effects of ice ages according to the key takeaways?

• Greenhouse gases

• Reflectivity

• Ocean currents

• All of the above