History of Earth

By which method have scientists determined the absolute age of rocks?

• plate tectonics

• relative dating

• radioactive dating

• law of superposition

The bottom layer of rock is

• the oldest
• has fossils

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NGSS.MS-ESS1-4

Which era is known as the "age of reptiles (dinosaurs)"

• Paleozoic Era

• Cenozoic Era

• Mesozoic Era

• Precambrian Era

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

The Era when humans first appeared was...

• Cenozoic
• Mesozoic
• Paleozoic
• Precambrian

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which era is known as the "age of mammals"

• Cenozoic Era
• Precambrian Era
• Paleozoic Era
• Mesozoic Era

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

The Geologic Time Scale is a record of what?

• old geologists

• sweet geology music

• the known history of rocks and fossils

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NGSS.MS-ESS1-4

Which era is known as the "age of Fish"

• Precambrian

• Mesozoic

• Cenosozic

• Paleozoic

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The bottom layer is listed as the oldest. The top layer is listed as the youngest. What is this called?

• mineral content
• radioactive decay 
• the law of superposition 
• the principle of unconformity 

Tags

NGSS.MS-ESS1-4

According to the law of superposition, which layer is the youngest?

• A
• B
• C

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NGSS.MS-ESS1-4

the number of years that have passed since the rock formed is known as?

• relative age.

• absolute age.

• ice age

Tags

NGSS.MS-ESS1-4