Geologic Timescale Review

According to scientists, about how old is the Earth?

• 4,600 years old

• 4,600,000 years old

• 4,600,000,000 years old

• 4,600,000,000,000 years old

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

Reorder the following from the oldest to the most recent.

• Precambrian

• Cenozoic

• Mesozoic

• Paleozoic

Tags

NGSS.MS-ESS1-4

Dinosaurs ruled the earth during this time period.

• Precambrian

• Mesozoic

• Paleozoic

• Cenozoic

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The first cells, bacteria, evolved during this time period.

• Precambrian

• Mesozoic

• Paleozoic

• Cenozoic

Tags

NGSS.MS-LS1-1

Fish, the first vertebrates, evolved during this time period.

• Precambrian

• Mesozoic

• Paleozoic

• Cenozoic

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

For almost a billion years in this time period, the earth was a nonliving and poisonous planet.

• Precambrian

• Mesozoic

• Paleozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

We are in the year 2024. Which time period are we in right now?

• Precambrian

• Mesozoic

• Paleozoic

• Cenozoic

The first land plants evolved during this time period.

• Precambrian

• Mesozoic

• Paleozoic

• Cenozoic

Mammals finally had the chance to rule the earth during this time period.

• Precambrian

• Mesozoic

• Paleozoic

• Cenozoic

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

The first multicellular living things evolved during this time period.

• Precambrian

• Mesozoic

• Paleozoic

• Cenozoic

Tags

NGSS.MS-LS1-1

NGSS.MS-LS4-1

NGSS.MS-LS4-2