8.E.2.1 Review | Weekly Quiz Prep

Which is a process that allows scientists to compare rock layers with others in a sequence to determine their age?

• radiometric dating

• absolute dating

• relative dating

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NGSS.MS-ESS1-4

The diagram shows a cross-section of several rock layers and geological features. Based on the diagram, which is true?

• Layer U is the oldest

• Layer Z is the youngest

• Layer T is older than layer S

• Layer X is older than layer y

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NGSS.MS-ESS1-4

A scientist finds the bones of a dinosaur. What could help the scientist determine the approximate age of the dinosaur bones?

• the birds living in the area of the bones

• the weather conditions in the area of the bones

• the kinds of trees living in the area of the bones

• the index fossils in the area of the bones

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NGSS.MS-ESS1-4

Which statement best describes the Law of Superposition?

• Each sedimentary layer of rock represents 1,000 years of Earth’s age, much like the rings of a tree.

• In undisturbed layers of sedimentary rock, the upper rock layers are older than the lower rock layers.

• In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.

• Rocks that form near volcanoes are older than surrounding rock.

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NGSS.MS-ESS1-4

Scientists find dinosaur fossils in the bottom rock layers of a cliff and mammal fossils in the middle rock layer of the cliff. Which could best be concluded from this evidence?

• Dinosaurs ate plantes

• Dinosaurs were eaten by the mammals

• Dinosaurs lived on Earth before the mammals

• Dinosaurs and mammals lived at the same time

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following rock layers is relatively the oldest?

• H
• P
• L
• M

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NGSS.MS-ESS1-4

Which fossil is relatively the oldest?

• Trilobite
• Ammonite
• Crinoid
• Gastropod

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

According to the Law of Superposition, the oldest rock layers are found...

• at the top of the rock layers

• in the middle of the rock layers

• near an intrusion

• always at the bottom of the rock layers

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NGSS.MS-ESS1-4

Which letter represents an intrusion?

• A

• B

• E

• D

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NGSS.MS-ESS1-4

Is the intrusion (letter F) older or younger than the surrounding layers?

• older

• younger

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NGSS.MS-ESS1-4