5 E 2 1

Approximately how old is the Earth?

• 1.8 billion years old

• 4.6 billion years old

• 6.8 billion years old

• 10 billion years old

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NGSS.HS-ESS1-5

NGSS.HS-ESS1-6

The most recent rocks of the grand canyon formed during which geologic period?

• Permian

• Devonian

• Cambrian

• Precambrian

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NGSS.MS-ESS1-4

Which discovery provides the BEST evidence of the age of the solar system?

• The oldest known rocks on Earth have been dated to 3.8 billion years old.

• The Apollo 17 mission found moon rocks that have been dated to 4.5 billion years The volcanic activity that occurs on Earth’s surface has recycled all its rocks at least

• C. once since its formation.

• D. oldest-known Earth rocks.

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NGSS.HS-ESS1-6

Which technique BEST helps scientists determine the age of the solar system?

• creating computer models to predict the formation of rocks on Earth and the Moon

• using radioactive decay to calculate the ages of rocks on Earth and the Moon

• using relative dating techniques on layers of rocks on Earth

• comparing fossils found in the oldest rocks on Earth

The evidence in these rock layers BEST supports which conclusion?

• The oldest fossils in this section of rock are trilobites.

• Eurypterids are related to modern-day scorpions and crabs.

• Eurypterids were the least common type of organism in this section of rock.

• There is some overlap in the presence of brachiopods and ammonites on Earth.

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which statement correctly describes the relative ages of the rock layers shown in the diagram?

• The left part of Layer B is younger than the right part.

• The left part of Layer F is the same age as Layer M.

• Layer R is older than Layer M.

• Layer I is older than Layer B.

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NGSS.MS-ESS1-4

Which method would be BEST for scientists to use to determine the absolute age of a Precambrian igneous rock?

• Radiometric dating

• Index fossils

• Law of superposition

• Law of original horizontality

How old would the fossil have to be dated in order to support his hypothesis?

• 225 million years old

• 100 million years old

• 400 million years old

• 550 million years old

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NGSS.MS-ESS1-4

How does intrusion X compare to the ages of the other rock layers and fossils in this geologic column?

• Intrusion X is younger than the broadleaf and fern fossils.

• Intrusion X is older than layers Y and Z.

• Intrusion X is younger than all the layers.

• Intrusion X is older than the clam and broadleaf fossils.

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NGSS.MS-ESS1-4

• The broadleaf fossil is older than the fern fossil.

• The clam fossil is younger than the reptile bone fossil.

• Layer W is older than intrusion X.

• Intrusion X is younger than layers Z and Y.

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NGSS.MS-ESS1-4