AQA Chemistry of the atmosphere

The current atmosphere is composed of mainly?

• Oxygen
• Argon
• Carbon dioxide
• Nitrogen

Oxygen is the most common gas in the current atmosphere.

• True
• False
• Both True and False
• Neither True nor False

Within the current atmosphere, what gas is 21%?

• nitrogen
• oxygen
• argon
• flatulence

What produced oxygen within the early stages of our atmosphere?

• Plants

• Volcanos

• Galactic Debris

• cyanobacteria

The second atmosphere, volcanoes appeared and released ________ and _____________.

• water and oxygen
• carbon dioxide and nitrogen
• nitrogen and water
• Helium and carbon dioxide

The first plant was ______________.

• kelp
• seaweed
• blue-green algae
• pine tree

In order for the oceans to form on Earth, what had to happen?

• Earth had to heat up and water had to evaporate

• Earth had to remain constant temperature

• More Volcanoes had to erupt

• Earth's surface had to cool down and allowed condensation to occur

What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide (called trace gases)?

• 1%

• 21%

• 78%

• 90%

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

Tags

NGSS.HS-ESS1-6

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