NGSS.MS-ESS1-4

The top layer of sediments in a sedimentary rocks is...

• The newest and youngest layer.
• The oldest layer.
• The only layer that is made from pebbles.
• The second layer of sediments.

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NGSS.MS-ESS1-4

The age of a rock compared to the ages of other rocks is the rock's

• absolute age
• geologic age
• sedimentary age
• relative age

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NGSS.MS-ESS1-4

How old do Paleontologists believe the Earth is?

• 2015 years old
• 3.6 billion years old
• 4.6 billion years old
• 4.6 million years old

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NGSS.MS-ESS1-4

How do geologists use relative dating?

• Placing rocks in order from youngest to oldest
• Placing rocks in order by minerals they contain
• Classifying rocks by different textures
• Classifying rocks by different isotopes

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NGSS.MS-ESS1-4

Which of these lists the fossils from oldest to youngest?

• A

• B

• C

• D

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NGSS.MS-ESS1-4

The illustration shows rock layers from three different locations and fossils the rock layers contain. The fossils are all trilobites, ancient organisms that were different over time. Which conclusion can be drawn from the information in the illustration?

• The trilobite Cyclopygidae appeared most recently of those shown here.

• The trilobite Ceratopigidae appeared before all the others.

• The trilobite Remopleiridae is the oldest of all the trilobites.

• The trilobite Asaphidae appeared most recently of those shown here.

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Certain fossils can be used to help determine the age of the rock layer in which the fossils are found. Which type of fossil is BEST to use when making this determination?

• marine mammal fossil

• swamp fern fossil

• trace fossil

• index fossil

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NGSS.MS-ESS1-4

A student has made the geologic column that you see here.

• fossils

• soil type

• environment

• plate tectonics

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NGSS.MS-ESS1-4

6. A branch of geology dealing with the arrangement of sedimentary rock layers or strata?

• Stratigraphy

• Geography

• Photography

• Biography

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NGSS.MS-ESS1-4

Do older rock layers lie on top of or underneath younger rock layers?

• on top of

• underneath

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NGSS.MS-ESS1-4