The science of smog - Kim Preshoff

What caused the panic in Los Angeles on July 26, 1943?

• Smog

• A natural disaster

• A chemical warfare attack

• A city-wide blackout

What does the word 'smog' stand for?

• Smoke only

• Smoke and fog

• Solid fog

• Smoky fog

What was unique about the smog in Los Angeles compared to earlier instances in cities like London?

• It was purely fog

• It was harmless

• It was yellowish with a chemical odor

• It was caused by coal burning

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NGSS.MS-ESS3-4

Who identified the causes of the smog in Los Angeles?

• A group of citizens

• A chemist named Arie Haagen-Smit

• A politician

• An environmental organization

What are VOCs?

• Very old cars

• Visual optical clarity

• Vital oxygen content

• Volatile organic compounds

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NGSS.MS-PS1-2

What causes the yellowish color in photochemical smog?

• Carbon dioxide

• Chlorine

• Nitrogen oxide

• Sulfur

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NGSS.MS-PS1-2

Why are cities like LA and Beijing especially vulnerable to smog?

• They are coastal cities

• They are surrounded by mountains

• They have high humidity

• They have low populations

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NGSS.MS-ESS3-4

What was a major consequence of the Great Smog of London in 1952?

• A decrease in population

• Introduction of electric cars

• Permanent evacuation of the city

• The Clean Air Act of 1956

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NGSS.HS-ETS1-3

What are some sources of manmade VOCs?

• Natural gas

• Ocean water

• Solvents, paints, glues, and petroleum

• Plants and animals

What is a common method governments have tried to reduce smog?

• Planting more trees in urban areas

• Covering cities with domes

• Banning cars from driving for days

• Using only solar energy

Tags

NGSS.MS-ETS1-1