Layers of the Atmosphere Notes

Multiple Choice

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

• Exosphere

• Thermosphere

• Mesosphere

• Troposphere

Multiple Choice

In which layer of the atmosphere does the ozone layer primarily reside?

• Exosphere

• Stratosphere

• Mesosphere

• Troposphere

Multiple Choice

What does the Earth's atmosphere do?

• It surrounds Earth and protects it from the sun's radiation.

• It creates earthquakes and volcanic eruptions.

• It increases the Earth's gravity.

• It makes the Earth spin faster.

Multiple Choice

What causes temperature differences in the atmosphere?

• The rotation of the Earth

• How solar energy is absorbed

• The presence of clouds

• The amount of rainfall

Multiple Choice

How many main layers of the atmosphere do scientists identify based on temperature differences?

• Three

• Five

• Four

• Six

Multiple Choice

In which layer of the atmosphere do meteors burn up?

• Exosphere

• Thermosphere

• Mesosphere

• Stratosphere

Multiple Choice

What happens to air pressure as altitude increases?

• Pressure increases

• Pressure decreases

• Pressure remains the same

• Pressure fluctuates

Multiple Choice

What happens to water vapor as altitude increases?

• It increases.

• It decreases.

• It stays the same.

• It turns into ice.

Multiple Choice

In which layer of the atmosphere are water and clouds present?

• Stratosphere

• Mesosphere

• Troposphere

• Exosphere

Multiple Choice

What happens to the temperature in the troposphere as altitude increases?

• Temperature increases

• Temperature decreases

• Temperature remains constant

• Temperature fluctuates randomly

Multiple Choice

What happens to the temperature in the mesosphere as altitude increases?

• Temperature increases

• Temperature decreases

• Temperature remains constant

• Temperature fluctuates

Multiple Choice

What happens to the temperature in the thermosphere as altitude increases?

• Temperature decreases

• Temperature remains constant

• Temperature increases

• Temperature fluctuates

Multiple Choice

Where are auroras present?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Multiple Choice

What would happen to living organisms without the ozone layer?

• They would thrive due to more sunlight

• They would be severely damaged by the sun’s UV rays

• They would receive more oxygen

• They would be unaffected

Multiple Choice

Which compounds are known to damage the ozone layer?

• Carbon dioxide

• Methane

• Chlorofluorocarbons (CFCs)

• Nitrogen oxides