7th Grade, Unit 3-rocks: Question Preview (ID: 32216)


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The three groups of rock are sedimentary, metamorphic, and
a) limestone b) igneous c) granite d) coal
The rock cycle shows how rocks continually
a) increase in size b) increase in number c) become more complex d) change over time
Which kind of rock forms when molten rock cools?
a) metamorphic b) igneous c) sedimentary d) extrusive
An existing rock can change into another type of rock when it is subjected to great
a) pressure b) winds c) flooding d) foliation
Which kind of rock forms by recrystallization?
a) intrusive igneous b) extrusive igneous c) sedimentary d) metamorphic
Geologists classify igneous rock on the basis of its crystal size and the amount of ______________________ its minerals contain.
a) carbon b) sediment c) silica d) foliation
Pieces of rock can settle from water and get cemented into
a) metamorphic rock b) igneous rock c) sedimentary rock d) extrusive rock
Rock salt is an example of a sedimentary rock that develops from dissolved minerals as
a) water evaporates b) magma cools c) sediments break down d) sand settles in water
What is the difference between a rock and a mineral?
a) they are the same b) minerals have orderly structure and rocks do not c) Minerals are made out of rocks d) rocks do not contain minerals
The texture of igneous rock is related to the rate at which it cooled. If the rock cools slowly, _________ crystals form
a) small b) medium c) large d) any size
The texture of igneous rock is related to the rate at which it cooled. If the rock cools quickly, _________ crystals form
a) small b) medium c) large d) any size
if you found a fossil, which type of rock would you know it is?
a) extrusive b) sedimentary c) igneous d) metamorphic
what happens during Sedimentation?
a) lava cools quickly into igneous rock b) rocks are put under high pressure c) Particles were left behind and slowly pressed together d) rock is broken down into smaller pieces
what does it look like if a rock is foliated?
a) The rock has metallic luster b) The different minerals form bands in the rock c) The rock has been imprinted with a fossil d) The rock is broken on flat surfaces
which type of rock would you find At the bottom of a large lake?
a) igneous b) metamorphic c) sedimentary d) extrusive
which rock type would you find in Older rock surrounding an igneous intrusion
a) igneous b) sedimentary c) metamorphic d) extrusive
which type of rock would you find at A lava flow from a volcano
a) igneous b) metamorphic c) sedimentary d) intrusive
which type of rock would you find in a part of the surface that was once deep within a mountain range
a) igneous b) sedimentary c) metamorphic d) extrusive
which type of rock would you find in the sides of a cave?
a) igneous b) metamorphic c) sedimentary d) extrusive
A rock that contains traces of a once living thing is called a
a) mineral b) fossil c) gem d) igneous rock
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