Atmosphere Quiz

What is the main gas in Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Argon

Which layer of the atmosphere contains the ozone layer?

• Troposphere

• Thermosphere

• Stratosphere

• Mesosphere

What does the ozone layer protect us from?

• Weather

• Radiation

• Water Vapor

• Heat

Which layer of the atmosphere protects us from meteors?

• Stratosphere

• Troposphere

• Thermosphere

• Mesosphere

At what altitude does the International Space Station orbit the Earth?

• 85 kilometers

• 400 kilometers

• 50 kilometers

• 14.5 kilometers

Why is the sky blue?

• Reflection of blue light

• Absorption of blue light

• Refraction of blue light

• Scattering of blue light

Why is space silent?

• No air to carry sound waves

• No sound waves produced in space

• Sound waves are absorbed by space

• Sound waves cannot travel in a vacuum

What happens to air pressure as altitude increases?

• It increases

• It remains constant

• It decreases

• It fluctuates

Why is the air thinner in the mountains?

• More carbon dioxide in the mountains

• Less air pressure in the mountains

• Higher temperature in the mountains

• Less oxygen in the mountains

What is the pressure at the top of Mount Everest compared to sea level?

• Equal to sea level

• 50% of sea level

• Less than 30% of sea level

• 70% of sea level