Geologic Timeline

Which eon was Earth formed in?

• Precambrian

• Hadean

• Archean

• Quaternary

Tags

NGSS.MS-ESS1-4

When did stromatolites appear?

• Hadean

• Archean

• Proterozoic

• Ordovician

Tags

NGSS.HS-LS4-5

What was the first supercontinent?

• Pangaea

• Rodinia

• Laurasia

• Gondwana

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS1-6

What is the cambrian explosion?

• When a meteor impacted the earth and dust went everywhere

• When the biggest volcano erupted

• When many new life forms were coming into existence

• When the dinosaurs built and set off a bomb

Tags

NGSS.MS-LS4-1

Which enables scientists to date events on the geologic time scale, such as a particular rock is 30 million years old?

• faunal succession

• radioactive decay

• relative dating

• periods

Order the geologic time scale subdivisions, largest to smallest.

• Eon, Era, Period

• Period, Eon, Era

• Era, Eon, Period

• Eon, Period, Era

Tags

NGSS.MS-ESS1-4

During which eon did oxygen begin to build up the most in Earth’s atmosphere?

• Hadean

• Proterozoic

• Archean

• Phanerozoic

When did the Mesozoic Era end?

• 4 billion years ago

• 400 million years ago

• 550 million years ago

• 66 million years ago

Tags

NGSS.MS-ESS1-4

During which era did Pangaea break up?

• Precambrian

• Cenozoic

• Mesozoic

• Paleozoic

Tags

NGSS.MS-ESS2-3

When did dinosaurs become extinct?

• Between the Cretaceous and Tertiary Periods

• At the end of the Devonian

• At the end of the Jurassic

• Between the Triassic and Quaternary periods

Tags

NGSS.MS-LS4-1