Minerals/Rocks Test Review

Rocks and sediment are part of which component of the Earth System?

• geosphere

• hydrosphere

• biosphere

• atmosphere

Tags

NGSS.MS-ESS2-3

Continental lithosphere __________.

• is thicker than oceanic lithosphere

• contains more mafic rocks than oceanic lithosphere

• is denser than oceanic lithosphere

• and oceanic lithosphere have similar compositions, densities, and thicknesses

Fewer than 50 minerals are __________.

• found on the Earth

• used for industrial purposes

• found in the crust

• commonly found in rocks

Why are minerals often referred to as the building blocks of Earth?

• They determine Earth’s orbit around the Sun.

• They are the basic constituents that make up rocks.

• They form only in the atmosphere.

• They form only from biological processes.

Tags

NGSS.MS-ESS3-1

Which of the following would be considered a rock?

• a manufactured clay brick

• a pile of sand

• a chunk of obsidian

• an abalone shell

How would you tell if a rock is crystalline?

• It contains crystals that have been cemented together.

• It does not contain crystals at all.

• It contains interlocking crystals.

• It contains all one type of crystal.

What is the difference between a rock that is cemented together and a rock that has a crystalline texture?

• A rock that is cemented contains rounded grains held by cement, whereas a crystalline rock contains angular grains held by cement.

• Crystalline rocks contain minerals, while cemented rocks contain rock fragments, both held together by static forces between grains.

• Minerals are held together as interlocking pieces in a crystalline rock, whereas grains are held together by minerals precipitated in pore spaces in a cemented rock.

• Minerals are held together as interlocking pieces in a crystalline rock, whereas in a cemented rock the grains do not fit together like puzzle pieces and instead are held together by cement.

Imagine you are holding a rock composed of sand grains cemented together. What subclassification of rock is this?

• metamorphic

• sedimentary

• crystalline

• igneous

What type of rock forms from the freezing (solidification) of a molten rock?

• metamorphic

• crystalline

• sedimentary

• igneous

Which type of rock is formed by precipitation of minerals from a solution?

• metamorphic

• glassy

• sedimentary

• igneous

Tags

NGSS.MS-ESS2-4