Earth's Atmosphere and Energy Budget

What is the definition of 'atmosphere'? Fill in the blank: The atmosphere is ________.

• a layer of gases that surrounds a planet and is held by gravity

• a solid surface covering the planet

• a collection of stars in the sky

• a body of water surrounding the planet

Which gas is most abundant in Earth's atmosphere?

• Oxygen

• Nitrogen

• Carbon dioxide

• Argon

Fill in the blank: Oxygen makes up ______% of Earth's atmosphere.

• 20%

• 50%

• 78%

• 10%

Which of the following are other gases found in Earth's atmosphere? (Select all that apply)

• Carbon dioxide

• Argon gas

• Methane gas

• Ozone gas

Match the layers of Earth's atmosphere to their order from the surface upwards:

• Troposphere

• Troposphere

• Mesosphere

• Thermosphere

• Stratosphere

• Stratosphere

• Thermosphere

• Mesosphere

In which layer of Earth's atmosphere does weather occur?

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

Tags

NGSS.MS-ESS2-5

Which layer of Earth's atmosphere contains the ozone layer?

• Stratosphere

• Troposphere

• Mesosphere

• Exosphere

Which layer of Earth's atmosphere is the coldest and where meteors burn up?

• Mesosphere

• Troposphere

• Stratosphere

• Thermosphere

Which layer of Earth's atmosphere is the hottest and where the Aurora Borealis occurs?

• Thermosphere

• Troposphere

• Stratosphere

• Mesosphere

The thermosphere merges into outer space, where satellites orbit (exosphere).

• True

• False