Quiz on Earth's Atmospheric Layers

Which layer of Earth's atmosphere is closest to the surface and contains most of the weather phenomena?

• Stratosphere

• Mesosphere

• Exosphere

• Troposphere

What is the primary function of the ozone layer in the stratosphere?

• To reflect radio waves

• To absorb harmful UV radiation

• To trap heat

• To burn up meteors

In which layer do most meteors burn up upon entering Earth's atmosphere?

• Stratosphere

• Exosphere

• Mesosphere

• Thermosphere

Which atmospheric layer is known for containing the International Space Station?

• Thermosphere

• Troposphere

• Mesosphere

• Stratosphere

What is the temperature range of the thermosphere?

• -90°C to -55°C

• -55°C to 20°C

• 500°C to 2000°C

• -55°C to 500°C

Which layer of the atmosphere gradually merges with interplanetary space?

• Exosphere

• Troposphere

• Mesosphere

• Stratosphere

What is the main composition of gases in the exosphere?

• Argon and neon

• Hydrogen and helium

• Carbon dioxide and methane

• Oxygen and nitrogen

Which layer is characterized by a temperature increase with altitude, creating stability?

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

What phenomenon occurs in the thermosphere due to solar activity?

• Monsoons

• Tornadoes

• Aurora Borealis

• Hurricanes

Which layer is known as the 'weather factory' due to its high water vapor content?

• Troposphere

• Mesosphere

• Thermosphere

• Stratosphere