Exploring the Next Ice Age: Climate Change Insights

The video explores Earth's climate history, focusing on the Ice Age and its causes, including carbon dioxide levels and Earth's orbital changes. It discusses recent human-induced climate changes and projects future impacts, emphasizing the importance of reducing carbon emissions to mitigate ice loss and sea level rise.

What is the geologists' term for the most recent period when ice sheets were at their maximum extent?

• Ice Age

• Last Glacial Maximum

• Snowball Earth

• Glacial Period

Tags

NGSS.HS-ESS3-5

What was the sea level like when the Earth had no polar ice caps?

• 70 meters lower

• Same as today

• 100 meters higher

• 70 meters higher

Which greenhouse gas is a main driver of climate swings?

• Methane

• Carbon dioxide

• Nitrous oxide

• Ozone

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

What natural processes can cause significant changes in atmospheric carbon dioxide over millions of years?

• Ocean currents and wind patterns

• Volcanism and chemical weathering

• Deforestation and urbanization

• Solar flares and cosmic rays

Tags

NGSS.HS-ESS2-6

What happens approximately every 100,000 years that leads to colder conditions?

• Increased volcanic activity

• A decrease in solar activity

• Alignment of Earth's orbital factors

• A shift in Earth's magnetic field

Tags

NGSS.HS-ESS3-5

What reversed the cooling trend about 20,000 years ago?

• A decrease in carbon dioxide levels

• Changes in Earth's orbit increasing summer sunshine

• Increased volcanic activity

• A shift in ocean currents

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NGSS.HS-ESS2-4

What has been rising since the 19th century, causing a reversal in the cooling trend?

• Ozone levels

• Nitrous oxide levels

• Carbon dioxide levels

• Methane levels

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

How much has the global temperature increased due to the surge in carbon dioxide?

• Nearly one degree Celsius

• Nearly four degrees Celsius

• Nearly three degrees Celsius

• Nearly two degrees Celsius

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

By the end of this century, how much is the sea level expected to rise due to ice melt?

• 10 to 30 centimeters

• 100 to 200 centimeters

• 200 to 300 centimeters

• 30 to 100 centimeters

Tags

NGSS.HS-ESS3-5

What can we do to curb ice loss and save coastal communities?

• Increase fossil fuel use

• Reduce carbon dioxide emissions quickly

• Rely on natural climate cycles

• Build more coastal defenses

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-1

NGSS.HS-ESS3-5