Rocks pretest

Which of the following is true about rocks?

• Rocks are composed of only one mineral.
• Most rocks are a mixture of minerals
• Rocks do not contain any mineral matter.
• Coal is not considered a true rock.

Metamorphic rock forms as a result of

• heat and pressure
• compaction of sediments
• the cooling of magma
• the melting of rock

All of the energy that drives the formation of igneous rocks comes from

• the sun
• the earth's interior
• the breakdown of organic matter
• the movement of water over Earth's surface

Tags

NGSS.MS-ESS2-1

All of the energy that drives the formation of sediment is from

• the sun
• earth's interior
• the breakdown of organic matter
• the movement of water over the earth's surface

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

The rock cycle includes all of the steps EXCEPT which of the following?

• magma or lava cools
• Sediments melt deep beneath Earth’s surface
• Extreme heat and pressure form metamorphic rocks.
• Rocks at Earth’s surface are broken down into smaller pieces.

Tags

NGSS.MS-ESS2-1

A rock that forms when magma hardens beneath Earths surface is called an

• intrusive metamorphic rock
• intrusive igneous rock
• extrusive sedimentary rock
• extrusive igneous rock

Which of the following is an example of an extrusive igneous rock?

• granite
• obsidian
• gabbro
• rhyolite

Lava that cools so quickly that ions do not have time to arrange themselves into crystals will form igneous rocks with a

• porphyritic texture
• coarse-grained texture
• glassy texture
• fine-grained texture

Tags

NGSS.MS-PS1-4

What type of composition does an igneous rock with mostly plagioclase feldspar have?

• granitic
• basaltic
• andesitic
• ultramafic

A conglomerate is a rock that forms as a result of

• intense heat and pressure
• compaction and cementation
• rapid cooling
• slow cooling