Evolution of the Earth's Atmopshere

The most abundant gas in Earth's atmosphere today is what?

• Oxygen

• Nitrogen

• Troposphere

• Helium

What gas makes up 21% of Earth's Atmosphere today?

• Nitrogen

• Oxygen

• Ozone

• None of the Above

Water vapor is one of the two main gases found in

Earth's atmosphere today

• True

• False

This gas was in high concentrations in the early atmosphere, and later condensed to form the Earth's oceans.

• oxygen

• carbon dioxide

• sulfur oxides

• water vapor

This gas was in high concentrations in the developing atmospheres and later dissolved into rainwater, added to the oceans, then settled to the bottom of the ocean. 

• oxygen
• carbon dioxide
• argon
• water vapor

Tags

NGSS.HS-LS2-5

What is the percentage of nitrogen in Earth's atmosphere today?

• 1%

• 21%

• 78%

• 90%

What produced oxygen within the early stages of our atmosphere?

• Plants
• Volcanos
• Galactic Debris
• Bacteria

What happened to the carbon dioxide that was dissolved in the early oceans?

• It evaporated
• It turned into sediment
• It was changed into oxygen
• I can't think of another good wrong answer

Tags

NGSS.HS-ESS2-6

Why is Earth's atmosphere important?

• It is beautiful.
• It prevents pollution from happening.
• Life on Mars could not exist without it.
• Life on Earth could not exist without it.

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-7

What was the Earth's early atmosphere like ?

• Similar to Mars and Venus. A large amount of carbon dioxide,little or no oxygen small amounts of other gases, such as ammonia and methane

• Similar to Mercury. A large amount of oxygen, sodium and hydrogen.

• Similar to Jupiter. A large amount of hydrogen and helium.

• Similar to Pluto. A large amount of nitrogen.

Tags

NGSS.HS-ESS1-6