Ice Ages

From Tim's explanation about interglacial periods, what can you conclude about the prefix "inter-?"

• It means "between"

• It means "cold"

• It means "age"

• It means "glacier"

How is a glacier different from an ice sheet?

• Ice sheets are colder than glaciers

• Glaciers are moving rivers of ice; ice sheets are immobile slabs

• Glaciers form in the Northern Hemisphere; ice sheets form in the Southern Hemisphere.

• Ice sheets form during interglacial periods; glaciers form during ice ages

Which of the following creatures could be described by the term "megafauna?"

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Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

How are glaciations different from ice ages?

• Ice ages are longer and more intense

• Glaciations are shorter and more intense

• Ice ages are shorter and less intense

• Glaciations are longer and less intense

What can you conclude from the fact that animals that live in the tropics have been known to live in areas currently covered in ice?

• There used to be many more animals alive on the earth in the past than there are today

• Over many millions of years, the earth's climate has been extremely dynamic

• The tectonic plates connecting Canada and the United States were once separated

• Animals that used to be warm-blooded have evolved into cold-blooded animals

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS4-1

Which word best describes the pattern of ice ages throughout Earth's history?

• Random

• Unpredictable

• Cyclical

• Unknown

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

If you wanted to take a core sample of an ice sheet, what would you need?

• A glacier

• A very large freezer

• A thermometer

• A special drill

Which of the following geologic features was created by glaciers?

• The Mojave Desert

• The Great Lakes

• The Rocky Mountains

• The Gulf of Mexico

Tags

NGSS.MS-ESS2-2

How can movement of the continents lead to climate change?

• It can block the flow of warm ocean currents

• It can shift the earth's rotation about its axis

• It can make slight changes to the earth's orbit

• It can cause glaciers and ice sheets to begin moving as well

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

How is the current era of warming different from the warm periods the earth has experienced in the past?

• Right now, the earth is warmer than it's ever been

• In the past, warming was tied to rising CO2 levels in the atmosphere; right now, the level of CO2 is falling

• The current era of warming has likely been caused by human activity

• The current era of warming is simply part of the natural cycle

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5