3.3- Rock: Substance of the Earth

The most common igneous rock is ?

• obsidian

• rhyolite

• granite

• basalt

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NGSS.MS-ESS2-3

An igneous rock that formed when magma began cooling slowly but finished cooling more quickly in a(n)  rock.

• porous

• granitic

• porphyritic

• amorphous

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NGSS.MS-ESS2-1

What are hard, round sedimentary rock structures that form when minerals crystalize around a mineral fragment?

• seams

• pyroclasts

• scoria

• concretions

Which type of sedimentary rock is made from mechanical sediments?

• chemical sedimentary rock

• seismic sedimentary rock

• classic sedimentary rock

• organic sedimentary rock

The most abundant sedimentary rock is ?

A layer of sedimentary rock is called a(n) (a)   ?

• stratum
• overburden

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NGSS.MS-ESS1-4

The branch of geology that is concerned with the origin composition, and structure of rocks is ?

The general term for fuels derived from the remains of once-living things is  fuel.

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NGSS.MS-ESS3-1

NGSS.MS-LS4-1

In surface mining of coal, the coal is exposed by removing the upper layers of ground, or .

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NGSS.MS-ESS3-1

The type of sedimentary rock that consists of smooth pebbles in hardened sand or clay is .