The Rock Cycle Quiz 1

How is a mineral different from a rock?

• Minerals and rocks are the same thing.

• A mineral is an inorganic solid; a rock is made up of minerals and organic matter.

• A rock is a piece of bone.

• Minerals have water inside of them and boil when heated.

Sedimentary rocks

• are heated and then cooled to form crystals.

• are named according to the size and type of sediment they contain.

• are heated and then compressed to form crystals.

• bend and shift due to plates moving.

Volcanic eruptions form

• intrusive igneous rock.

• minerals.

• extrusive igneous rock.

• carbon dioxide.

Explain where the black and green sand in Hawai'i originates from?

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Half Dome is made up of intrusive igneous rock. This means the rock

• formed from deposited and cemented sediment.

• always existed in the form it is found today.

• cooled above ground from lava.

• cooled below ground from magma.

What happens to the minerals in rocks that undergo metamorphism?

• The minerals are destroyed.

• The minerals change in structure.

• The minerals are pushed to the exterior of the rock.

• The minerals multiply.

Based on we have been learning about the rock cycle, which of the following options is most likely true?

• A granite boulder has not changed much since it was first formed.

• Most of the sediment on the floor of the Bay of Bengal came form the last few years.

• There are roughly 20 kilometers of sediment from the Himalayan Mountains in the Bay of Bengal.

• The sediment in the Bay of Bengal probably came from the ocean floor and not the Himalayan Mountains.

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Intrusive igneous rock

• forms when lava erupts, or is extruded, onto the surface.

• depends on how fast lava flows.

• forms when one type of rock invades another type of rock's space.

• forms when magma pushes, or intrudes, into the rock below Earth’s surface and cools.

Four of the characteristics used to describe and categorize rocks are hardness, shape, size, and

• grit

• boldness

• color

• beauty

How is oceanic crust different from continental crust?

• The continental crust is the thinnest layer of the earth.

• The oceanic layer is the least dense layer besides the atmosphere.

• The continental crust makes up the major landmasses on Earth that are exposed to the atmospher

• The oceanic crust makes up the major landmasses on Earth that are exposed to the atmosphere.