Early Earth

This gas was in high concentrations in the early atmosphere, and later condensed to form 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-ESS2-6

NGSS.HS-LS2-5

What was the main ingredients that caused heat energy to be trapped, creating a greenhouse effect, in the ealry atmosphere?

• water and carbon dioxide

• oxygen

• carbon dioxide and oxygen

• nitrogen and carbon dioxide

How much oxygen do we have in earth’s atmosphere?

• 78%

• 20.9%

• 33%

• 40.2%

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

• 1%
• 21%
• 78%
• 90%

What produced oxygen within the early stages of our atmosphere?

• Plants
• Volcanos
• Galactic Debris
• Bacteria

Tags

NGSS.HS-ESS1-6

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

• oxygen

• carbon dioxide

• sulfur oxides

• water vapour

Tags

NGSS.HS-ESS1-6

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-ESS2-4

According to scientists, both Earth and moon are...

• About 1.6 Billion Years Old
• About 4.6 Billion Years Old
• About 9.6 Billion Years Old
• About 14 Billion Years Old

Tags

NGSS.HS-ESS1-6