Ice Ages

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

• It means "in-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?"

• Penguin

• Squirrel

• Fox

• Elephant

How are glaciations different from ice ages?

• Ice ages are longer and more intense.

• Glaciations are shorter and more intense.

• Ice ages and shorter and less intense.

• Glaciations are longer and less intense.

Tags

NGSS.HS-ESS3-5

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 U.S. were once separated.

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

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS2-4

NGSS.HS-LS4-5

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

• Random

• Unpredictable

• Cyclical

• Unknown

Tags

NGSS.HS-ESS3-5

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

Tags

NGSS.HS-ETS1-3

Which of the following geologic features was created by glaciers?

• The Mojave Desert

• The Great Lakes

• The Rocky Mountains

• The Gulf of Mexico

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.

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 its 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 is likely caused by human activity

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

Tags

NGSS.MS-ESS3-5