Understanding Climate Change- Bill Nye

What is the estimated increase in Earth's temperature in the last century?

• 3 to 4 degrees Fahrenheit

• 2 to 2.5 degrees Celsius

• 0.5 to 0.7 degrees Fahrenheit

• 1.2 to 1.4 degrees Fahrenheit

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NGSS.HS-ESS2-4

What percentage of climate scientists agree that recent climate changes are likely caused by human activities?

• 85%

• 60%

• 97%

• 75%

Since when has the ocean surface acidification increased by 30%?

• Since 1900

• Since the late 18th century

• Since 1950

• Since the early 20th century

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NGSS.HS-ESS2-6

What is the main cause of the recent abrupt climate changes?

• Natural cycles

• Solar flares

• Human activities

• Volcanic eruptions

How much has the global temperature of the oceans increased since 1969?

• More than 1 degree Fahrenheit

• More than 2 degrees Fahrenheit

• More than 0.5 degrees Celsius

• More than 0.3 degrees Fahrenheit

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NGSS.HS-ESS3-5

What effect does ocean acidification have on marine life?

• It puts calcifying species at risk

• It decreases water temperatures

• It increases fish populations

• It promotes coral growth

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NGSS.HS-ESS2-6

NGSS.HS-LS4-5

What has caused sea levels to rise?

• Increased boat traffic

• Melting glaciers and ice sheets

• Decreased ocean temperatures

• Construction of underwater structures

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NGSS.HS-ESS3-5

How much ice has the Earth lost on average each year since 1994?

• 300 billion tons

• 500 billion tons

• 200 billion tons

• 400 billion tons

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NGSS.HS-ESS3-5

What are some personal actions suggested to combat climate change?

• Recycle, use public transportation, and eat less meat

• Ignore recycling, increase meat consumption, travel by private jets

• Increase use of plastics, drive more, and use more water

• Use more heating, travel by car always, and increase electricity use

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NGSS.HS-LS2-7

What percentage of the Earth's oxygen is provided by the oceans?

• 50%

• 70%

• 30%

• 90%

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NGSS.HS-LS1-5