Earth's Atmosphere Quiz

How did Earth's atmosphere form?

• Through the accumulation of gases from volcanic eruptions

• By the gravitational pull of the moon

• Due to the rotation of the Earth on its axis

• Through photosynthesis of ancient plants

What is Earth's atmosphere made of?

• Primarily nitrogen and oxygen

• Mostly carbon dioxide and helium

• Mainly methane and ammonia

• Predominantly hydrogen and neon

What are the layers of the atmosphere?

• Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

• Biosphere, Hydrosphere, Lithosphere, Atmosphere

• Crust, Mantle, Outer core, Inner core

• Ionosphere, Magnetosphere, Ozone layer, Exosphere

How do air pressure and temperature change as altitude increases?

• Air pressure increases and temperature decreases

• Both air pressure and temperature increase

• Air pressure decreases and temperature increases

• Air pressure and temperature both decrease

Why is the atmosphere important?

• It protects Earth from meteorites and extreme temperature changes

• It provides a medium for birds to fly

• It is the primary source of oxygen for underwater creatures

• It is responsible for the Earth's magnetic field

How many layers does Earth's atmosphere have?

• Three

• Four

• Five

• Six

Up to what altitude does the first four layers of Earth's atmosphere extend?

• About 500 km

• About 600 km

• About 1,000 km

• About 10,000 km

What is the outermost layer of Earth's atmosphere called?

• Mesosphere

• Stratosphere

• Troposphere

• Exosphere

What does Earth's atmosphere help to protect living organisms from?

• The Sun's harmful rays

• Asteroids

• Both the Sun's harmful rays and asteroids

• None of the above

Why is Earth's atmosphere important to life on Earth?

• It provides oxygen and carbon dioxide for life

• It helps keep temperatures suitable for life

• It protects Earth from some of the Sun's harmful rays

• All of the above