Exploring Earth's Atmosphere and Ozone Layer

Which layer of Earth's atmosphere is closest to the surface?

• Mesosphere

• Troposphere

• Stratosphere

• Thermosphere

What is the primary function of the ozone layer?

• To trap heat from the sun

• To reflect sunlight

• To absorb ultraviolet (UV) radiation

• To produce oxygen

Which layer of the atmosphere contains the ozone layer?

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

What is a major consequence of ozone layer depletion?

• Increased greenhouse gases

• More UV radiation reaching Earth

• Decreased global temperatures

• Increased oxygen levels

Tags

NGSS.HS-ESS2-4

Which of the following is a greenhouse gas?

• Oxygen

• Nitrogen

• Carbon dioxide

• Argon

Tags

NGSS.MS-ESS3-5

How does the ozone layer protect living organisms on Earth?

• By providing oxygen

• By blocking harmful UV rays

• By maintaining Earth's temperature

• By reflecting sunlight

Tags

NGSS.HS-PS4-4

What human-made chemicals are known to deplete the ozone layer?

• Carbon dioxide

• Chlorofluorocarbons (CFCs)

• Methane

• Nitrous oxide

Which layer of the atmosphere is known for weather phenomena?

• Stratosphere

• Mesosphere

• Troposphere

• Thermosphere

Tags

NGSS.MS-ESS2-5

What is the effect of increased UV radiation on human health?

• Improved vision

• Skin cancer

• Stronger bones

• Better digestion

Tags

NGSS.HS-PS4-4

Which gas is primarily responsible for the greenhouse effect?

• Oxygen

• Nitrogen

• Carbon dioxide

• Helium

Tags

NGSS.MS-ESS3-5