Rocks Question Preview (ID: 37541)


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The process by which sediments settle out of water or wind is
a) compaction
b) cementation
c) deposition
d) erosion

Which is the process that breaks rocks down into sediments?
a) weathering
b) deposition
c) compaction
d) erosion

Which of the following is not a type of igneous rock?
a) granite
b) sandstone
c) obsidian
d) basalt

Which statement generally describes granite?
a) dark-colored rock with low silica content
b) dark-colored rock with high silica content
c) light-colored rock with low silica
d) light colored rock with high silica content

What term describes how a rock looks and feels?
a) density
b) streak
c) texture
d) fracture

In general, what happens to an igneous rock as its silica content increases?
a) The rock gets darker
b) the rock gets lighter
c) the rock gets more dense
d) the rock gets less dense

How do coarse -grained igneous rocks form?
a) from sedimentary rocks changed under pressure
b) from large rock particles cemented together
c) from rapidly cooling lava
d) from slowly cooling magma

Which term best describes igneous rocks?
a) light and easily broken
b) soft and smooth
c) hard and dense
d) soft and dense

What is the most abundant sedimentary rock?
a) sandstone
b) shale
c) pumice
d) limestone

Which of the following rocks is an intrusive igneous rock?
a) basalt
b) granite
c) pumice
d) obsidian

What is the most abundant igneous rock?
a) basalt
b) granite
c) sandstone
d) gniess

What is the most abundant type of rock in the Earth's Crust?
a) shale
b) igneous
c) metamorphic
d) sedimentary

Geologists use the following characteristics to classify rocks, except....
a) color
b) composition
c) texture
d) hardness

Which is not a type of Rock?
a) Igneous
b) granite
c) sedimentary
d) metamorphic

The process that moves sediments from one place to another:
a) cooling
b) melting
c) heat and pressure
d) ersoion

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