History of the Earth Review

What were conditions like during the Hadean Eon? (Check all the boxes that apply.)

• The atmosphere was thick and mostly made of CO².

• There was a lot of molten rock.

• There was very little liquid water.

• There was no life present that we know of.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

What led to the appearance of Oxygen in the atmosphere near the end of the Archean Eon?

• Aliens brought it from Mars.

• The Earth had cooled down enough.

• Cyanobacteria could do photosynthesis.

• Trees started doing photosynthesis.

Tags

NGSS.MS-LS1-6

What made the Proterozoic Earth a better place for supporting life?

• Metals had finished oxidizing, so oxygen gas could build up in the atmosphere.

• The temperature dropped thanks to less greenhouse gases in the atmosphere.

• Cooler temperatures meant that the water vapor in the atmosphere could turn into precipitation.

• Large oceans provided aquatic environments where life could thrive.

Tags

NGSS.MS-LS2-3

Which of the statements below provides evidence for how life began on Earth?

• Molecules in the atmosphere when Earth formed had the necessary elements to make organic molecules.

• Amino Acids (organic molecules) have been found on meteorites that crash into Earth.

• Scientists have created Amino Acids (organic molecules) from inorganic molecules.

Water carries sediments downstream to create deltas like the one pictured. What kind of force is this?

• Constructive

• Destructive

Tags

NGSS.MS-ESS2-2

Water eroding soil away is an example of what kind of force?

• Constructive

• Destructive

Tags

NGSS.MS-ESS2-2

Tectonic plates colliding to form mountains is an example of what kind of force?

• Constructive

• Destructive

Tags

NGSS.MS-ESS2-2

What kind of plate boundary does this image show?

• Convergent

• Divergent

• Transform

Tags

NGSS.HS-ESS1-5

What kind of plate boundary does this image show?

• Convergent

• Divergent

• Transform

Tags

NGSS.HS-ESS1-5

What kind of plate boundary is shown in the image?

• Convergent

• Divergent

• Transform

Tags

NGSS.MS-ESS2-3