NGSS.MS-ESS1-4

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers
• Near the bottom of the rock layers
• In the middle of the rock layers
• Somewhat near the surface

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NGSS.MS-ESS1-4

The Law of Superposition helps scientists to determine what?

• The absolute age of rock layers
• The age of fossils
• The relative age of rock layers
• the super powers of rocks

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NGSS.MS-ESS1-4

The law of superposition states:

• each rock layer is older than the one above it
• each rock layer is younger than the one above it
• each rock layer is the same as the one above it

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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

Where can the oldest layer be found?

• The top layer
• The middle layer
• They are all the same age
• The bottom layer

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NGSS.MS-ESS1-4

Use relative age dating to put the rock layers in correct order from oldest to youngest.

• B, D, A, E, C

• C, E, D, A, B

• A, C, E, D, B

• C, E, D, B, A

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NGSS.MS-ESS1-4

Which conclusion can be made when observing multiple undisturbed layers of rock?

• The shallow layers are older than the deeper layers.

• The deeper layers are older than the shallow layers.

• The deeper layers are younger than the shallow layers.

• The shallow layers are the same age as the deeper layers.

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NGSS.MS-ESS1-4

Radioactive dating shows ___________ rocks are 4.6 billion years old.

• Earth rocks

• Moon rocks

• Earth and Moon rocks

• Radioactive rocks

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NGSS.MS-ESS1-4

When did fossil A become extinct?

• Layer 1

• Layer 2

• Layer 3

• Layer 4

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NGSS.MS-ESS1-4

Created from the deposition of sediments in layers over time.

• Sedimentary Rock

• Igneous Rock

• Metamorphic Rock

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NGSS.MS-ESS1-4