Rock Cycle Question Preview (ID: 56785)

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Which lettered box could represent the rock conglomerate?

a) E

b) G

c) C

d) D

Which statement most accurately compares the ages of the cracks and pebbles to the age of the sedimentary rock in which they are found?

a) The cracks and pebbles are both younger than the sedimentary rock.

b) The cracks and pebbles are both older than the sedimentary rock.

c) The cracks are younger and the pebbles are older than the sedimentary rock.

d) The cracks are older and the pebbles are younger than the sedimentary rock.

How does the age of the granite pebbles compare to the age of the rock itself?

a) The pebbles are younger than the rock.

b) The pebbles are older than the rock.

c) The pebbles are the same age as the rock.

d) The relative age of the pebbles cannot be determined.

Which characteristic of the granite intrusion provides the most evidence that it solidified deep underground?

a) very hard

b) coarse texture

c) light color

d) felsic composition

The greatest earthquake hazard to homes exists when they are built on

a) hard igneous rock

b) sedimentary rock

c) coarse sediments

d) silt and mud

Which type(s) of rock can be the source of deposited sediments?

a) igneous and metamorphic rocks, only

b) metamorphic and sedimentary rocks, only

c) sedimentary rocks, only

d) igneous, metamorphic, and sedimentary rocks

Which diagram best represents a sample of the metamorphic rock gneiss? Diagrams show actual size.

a) A

b) B

c) C

d) D

Which statement about the formation of a rock is best supported by the rock cycle?

a) Magma must be weathered before it can change to metamorphic rock.

b) Sediment must be compacted and cemented before it can change to sedimentary rock.

c) Sedimentary rock must melt before it can change to metamorphic rock.

d) Metamorphic rock must melt before it can change to sedimentary rock.

Which characteristic of nonsedimentary rocks would provide the least evidence about the environment in which the rocks were formed?

a) structure

b) color

c) crystal size

d) mineral composition

Rocks can be classified as sedimentary, igneous, or metamorphic based primarily upon differences in their

a) color

b) density

c) origin

d) age

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