Science 3.3 - Sedimentary Rocks, Fossils, & Fossil Fuels

How do buried remains of plants and animal life become fossil fuels?

• Weathering and erosion

• Millions of years of heat and pressure

• Depositing sediments

• Cooling pressure from topsoil

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NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

Two examples of fossil fuels are ​ (a)   and (b)   .

• coal
• petroleum
• water
• air
• milk
• sunlight
• vegetable oil

Answer explanation

Coal and petroleum are two examples of fossil fuels.

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NGSS.4-ESS3-1

Organize the steps of formation of sedimentary rocks from start to finish

• Weathering

• Compaction

• Erosion

• Deposition

• Cementation

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NGSS.MS-ESS2-4

Two examples of fossil fuels are ​--

• oil
• natural gas
• sand
• rocks
• corn oil

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NGSS.4-ESS3-1

The layers in the canyon's sedimentary rock were most likely created by ​​ (a)  

• moving water
• volcanic eruptions
• earthquakes
• scorching sun

Answer explanation

Canyon layers are exposed by rivers carving into the rock.

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NGSS.4-ESS1-1

Which layer is the oldest?

(a)  

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NGSS.4-ESS1-1

Which layer is the youngest?

(a)  

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NGSS.4-ESS1-1

Which layer is younger than layer 4?

• 2

• 1

• 6

• 3

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NGSS.4-ESS1-1

What are fossil fuels made out of?

• rocks buried underneath the Earth

• dead organisms changed by heat and pressure

• living plants using photosynthesis

• magma preserved under the Earth's crust

Answer explanation

Fossil fuels are created by dead organisms that have been changed over time due to heat and pressure.

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NGSS.4-ESS3-1

Which of the following is NOT something needed to create a sedimentary rock?

• High pressure

• Thousands of years (time)

• Decaying organisms

• Cementation

Answer explanation

Dead organisms CAN be in a sedimentary rock layer but they are not required for a sedimentary rock to form.