Earth's Atmosphere and Ozone Layer Quiz

What is Earth's atmosphere composed of?

• A layer of gases that surrounds the planet

• A layer of water that surrounds the planet

• A layer of rocks that surrounds the planet

• A layer of ice that surrounds the planet

What is the function of ozone in Earth's atmosphere?

• It absorbs UVB energy from the sun

• It reflects all energy back to space

• It allows all energy to pass through

• It blocks all energy from entering the atmosphere

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How high above Earth's surface is the ozone layer located?

• About 10 km (6 mi)

• About 5 km (3 mi)

• About 20 km (12 mi)

• About 50 km (31 mi)

What harmful effect does the ozone layer protect humans from?

• Skin cancer

• Heart disease

• Lung cancer

• Diabetes

What significant change did scientists notice in the 1970s regarding the ozone layer?

• The amount of ozone in the atmosphere was decreasing

• The amount of ozone in the atmosphere was increasing

• The ozone layer was moving closer to Earth's surface

• The ozone layer was becoming thicker

What caused the decrease in the amount of ozone in Earth's atmosphere in the 1970s?

• Increased UVB light from the sun

• Chemical reactions between ozone and certain human-made chemicals

• Global climate change

• Extra energy reaching Earth

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Which area was especially affected by the thinning ozone layer?

• The Arctic

• The Equator

• Antarctica

• The Tropics

What health effects are caused by the increase in UVB light due to the hole in the ozone layer?

• Increased rates of skin cancer and other diseases

• Higher global temperatures

• More frequent natural disasters

• Increased energy reaching Earth

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What is NOT a cause of global climate change according to the text?

• The hole in the ozone layer

• Energy that can't escape Earth's atmosphere

• Extra energy reaching Earth

• Increased UVB light from the sun

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What action did many countries take after identifying the chemicals causing the ozone hole?

• Increased the use of those chemicals

• Banned the use of those chemicals

• Ignored the problem

• Increased the production of those chemicals

Tags

NGSS.HS-ETS1-3