What is the Atmosphere?

What is the atmosphere?

• A solid layer around the Earth

• A mixture of gases surrounding the Earth

• A layer of water on Earth's surface

• A type of rock found on Earth

What are the main components of the Earth's atmosphere?

• Hydrogen and Helium

• Carbon Dioxide and Methane

• Nitrogen and Oxygen

• Argon and Neon

What percentage of the atmosphere is Nitrogen?

• 21%

• 50%

• 78%

• 10%

The role of the atmosphere in regulating Earth's temperature is (a)  

• It makes the Earth hotter
• It keeps temperatures just right fo
• It cools the Earth too much
• It has no effect on temperature

What is the greenhouse effect?

• A process that cools the Earth

• A process that traps warmth on Earth

• A process that removes oxygen from the air

• A process that creates new gases

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

How does the atmosphere protect us from space debris?

• By creating a magnetic field

• By burning up meteors

• By reflecting debris back into space

• By absorbing debris

Match the following statements about air density with their correct outcomes as you go higher in the atmosphere.

• Air density in outer space

• It stays the same

• Air density at sea level

• It increases

• Air density at high altitudes

• It decreases

• Air density in a controlled environment

• It disappears

What is the ozone layer made of?

• Carbon Dioxide

• Ozone

• Nitrogen

• Water Vapor

What harmful rays does the ozone layer protect us from?

• Infrared rays

• UVB rays

• X-rays

• Gamma rays

What is the common name for the gases in our atmosphere?

• Water

• Air

• Smoke

• Steam