Scientific Understanding of Global Warming

For how long have scientists around the world agreed that human activities are causing global warming?

• Only in the past two hundred years

• For thousands of years

• Since the beginning of time

• For the last ten years

What did scientists in the nineteenth century begin to research?

• The effect of burning fuel on the atmosphere and global temperatures

• The movement of tectonic plates

• The migration of birds

• The growth of plants in different soils

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NGSS.HS-ESS1-5

Which gas is mainly discussed as affecting Earth's temperature in the passage?

• Carbon dioxide

• Oxygen

• Nitrogen

• Hydrogen

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NGSS.HS-ESS2-6

Who was the Swedish scientist that calculated the effect of carbon dioxide on global temperatures in 1896?

• Svante Arrhenius

• Albert Einstein

• Isaac Newton

• Marie Curie

What did Svante Arrhenius predict would happen if the amount of carbon dioxide in the atmosphere doubled?

• Temperature would increase by 5 to 6 degrees Celsius

• The Earth would freeze instantly

• There would be no change in temperature

• Rainfall would stop completely

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NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

What would happen if the level of carbon dioxide in the atmosphere was cut in half, according to Arrhenius?

• It could cause a new ice age

• It would cause a drought

• It would make plants grow faster

• It would have no effect

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NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

Why did the relationship between gases in the atmosphere and global temperatures become especially important in the nineteenth century?

• Factories began putting more pollution into the air

• People started using more solar panels

• The oceans began to dry up

• Animals started migrating more

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NGSS.HS-ESS2-2

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

What is one reason the atmosphere began to contain more carbon dioxide in the nineteenth century?

• The growth of factory-made goods

• The invention of the telephone

• The discovery of electricity

• The building of pyramids

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NGSS.HS-ESS3-1

NGSS.HS-ESS3-6

Which of the following best describes the main focus of the passage?

• The history of scientific understanding about global warming

• The invention of factories

• The migration of animals

• The discovery of new planets

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NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

What does the passage suggest about the process of scientific discovery?

• It can take centuries for scientists to agree on complex issues

• Scientists always agree immediately

• Science never changes

• Only one scientist is needed for discoveries