Ice Cores and Climate Change

One of the key pieces of evidence in ice cores is the amount of carbon dioxide in _________

• air bubbles

• pollen

• dust

• water

Which of the following are greenhouse gases?

• Carbon dioxide

• methane

• oxygen

• nitrous oxide

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

When seawater warms, it ______________.

• expands

• shrinks

• stays the same

Tags

NGSS.HS-ESS2-5

A long term increase in temperature can be connected with ___________________ in carbon dioxide levels

• an increasae

• a decrease

• a stabilizing effect

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

Changes in sea temperatures also cause changes in which of the following? (Mark all that apply)

• pH

• nutrient levels

• carbon dioxide levels in the water

Tags

NGSS.HS-LS2-6

Which of the following provide evidence for climate change?

• ice cores

• tree rings

• varves

• sea coral

• soil samples

Tags

NGSS.HS-ESS3-5

What do greenhouse gases do?

• absorb Earth's outgoing infrared photons

• magnify ultraviolet radiation in the atmosphere

• reflect Earth's incoming infrared photons

• block the Sun's infrared radiation

Carbon dioxide levels in our atmosphere are ____________.

• At an all time high in Earth's recorded history

• About the same as it was 800,000 years ago

• At an all time low in Earth's history

• the same as the peak of the last warming period

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

The earth has gone through periods of cooling including the little ice age. What are some of the effects of these cooling periods on humans?

• temperatures increased

• temperatures decreased

• pandemics

• crop failure

Tags

NGSS.HS-ESS3-1

NGSS.HS-ESS3-5

Ice core samples show repeating periods of long, cold “ice ages” separated by brief, warm periods called interglacials. These 100,000-year-long-cycles are a result of

• extent of deserts

• orbital changes

• volcanic eruptions

• burning of fossil fuel

Tags

NGSS.HS-ESS3-5