Volcanoes and Climate Change

Affects climate by changing the amount of sunlight that is able to reach Earth's surface because of  dust and ash released

• volcanoes

• oceans

• solar variations/cycles

• changes in the earth's tilt

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Choose the natural processes that have affected Earth’s climate. Choose all that apply

• Changes in solar energy

• Dead trees and animals release carbon dioxide into the air

• Volcanoes

• People burning fossil fuels

• Deforestation

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NGSS.HS-ESS2-2

Which of the following are factors that cause a rise in global temperature.

Choose all that apply

• volcanoes

• driving cars

• factories

• burning fossil fuels

• pollution

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Human activity has added gases that have increased the _______________ in the atmosphere and have caused Earth's surface temperature to rise.

• carbon dioxide

• greenhouse effect

• carbon monoxide

• climate change

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In 2018 several large volcanoes erupted including the Popocateptl volcano in Mexico, which is still erupting today. It continues to pump ash and gas into the atmosphere. If nothing else was affecting the climate, how would the global temperature be affected by these volcanic eruptions?

• The temperature would lower due to the ash reflecting UV radiation

• The pH of the atmosphere will change

• The carbon dioxide that it emits will help to raise the temperature

• Volcanoes only affect plate tectonics, not global temperatures

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What kind of eruptions do NOT result in natural short-term climate change?

• the changing ocean currents that create El Nino

• numerous sunspots, which emit increased sunlight

• explosive volcanoes, which eject large amounts of dust and gas

• nonexplosive volcanoes, which emit small amounts of dust and gas

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How can catastrophes cause short-term climate change?

• Hurricanes that strike the Gulf Coast cause widespread flooding

• When large sections of icebergs break off and fall into the ocean, more fresh water enters the world's oceans

• Air temperatures cool after the eruption of a major volcano

• Earthquakes sometimes cause major structural damage of buildings

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NGSS.HS-ESS2-2

Which of the following volcanic gases can contribute to climate change by enhancing the greenhouse effect?

• Carbon dioxide (CO2)

• Sulfur dioxide (SO2)

• Nitrogen (N2)

• Oxygen (O2)

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How do volcanic eruptions typically affect global temperatures in the short term?

• They cause temperatures to rise due to increased CO2 levels.

• They cause temperatures to fall due to ash and sulfur dioxide reflecting sunlight.

• They have no significant effect on global temperatures.

• They cause temperatures to rise due to increased water vapor.

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What is the primary way in which volcanic eruptions can lead to short-term climate cooling?

• By releasing large amounts of water vapor into the atmosphere.

• By emitting sulfur dioxide that forms aerosols, reflecting sunlight.

• By increasing the Earth's albedo through lava flows.

• By releasing methane gas into the atmosphere.

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