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Review Of Rocks
Test Description: Vocabulary and questions to help review of Igneous, Sedimentary, and Metamorphic rocks.
Instructions: Answer all questions to get your test result.
1) Which type of rock forms from intense heat and pressure?
A
clastic
B
igneous
C
metamorphic
D
sedimentary
2) Clastic sedimentary rocks are formed from ____________.
A
chemical processes.
B
compacted and cemented sediments.
C
minerals under intense heat and pressure.
D
cooling magma or lava.
3) Igneous rocks are formed from _____________.
A
chemical processes.
B
intense heat and pressure.
C
sediments compacted and cemented together.
D
cooling magma or lava.
4) Rocks are classified as igneous, metamorphic, or sedimentary by _____________.
A
the colors of their minerals.
B
how they melt.
C
how they form.
D
their density.
5) Intrusive igneous rocks cool ____________ so they have ____________ crystals.
A
quickly, no
B
slowly, small
C
quickly, small
D
slowly, large
6) Extrusive igneous rocks cool ___________ so they have ________ crystals.
A
slowly, large
B
quickly, small/no
C
slowly, small
D
quickly, large
7) Coal is a sedimentary rock made from compressed, dead plant matter so it is a ______ sedimentary rock.
A
chemical
B
clastic
C
organic
D
intrusive
8) Why are sedimentary rocks the only rocks with fossils in them?
A
Because they last longer than igneous or metamorphic rocks do.
B
Because they are hot glued together.
C
Because they don't undergo intense heat and pressure like igneous or metamorphic rocks do.
D
Because they freeze the fossils in place.
9) Rocks are made of a mixture of _________________.
A
sand and pebbles
B
magma or lava
C
dead plants and animals
D
minerals
10) Halite or rock salt is left behind after salt water evaporates. It is an example of a ________ sedimentary rock.
A
extrusive
B
clastic
C
chemical
D
organic
11) After deposition, _____________ and ___________ occur to create sedimentary rocks.
A
compating and cementing
B
weathering and erosion
C
melting and cooling
D
evaporating and dissolving
12) How do sediments form?
A
melting
B
heat
C
weathering
D
pressure
13) Metamorphic rocks that are put under intense pressure tend to have a ________ texture so their minerals are all lined up in bands or layers..
A
Nonfoliated
B
Fine
C
Foliated
D
Coarse
14) Marble is a metamorphic rock that has been put under intense heat. Its minerals are melted and swirled together so it has a _____ texture.
A
Foliated
B
Nonfoliated
C
Fine
D
Coarse
15) What are the three categories of sedimentary rocks?
A
clastic, organic, extrusive
B
clastic, chemical, organic
C
clastic, foliated, nonfoliated
D
clastic, chemical, intrusive
16) Obsidian, granite, and basalt are all examples of ____________ rocks that we looked at in our lab.
A
sedimentary
B
metamorphic
C
mineral
D
igneous
17) Sandstone, Limestone, and Conglomerate are all examples of __________ rocks that we looked at in our lab.
A
igneous
B
metamorphic
C
sedimentary
D
mineral
18) Gneiss and Marble are both examples of ________ rocks that we looked at in our lab.
A
sedimentary
B
igneous
C
metamorphic
D
mineral
19) All rocks can turn into other rocks during the never ending ____________.
A
cementation
B
compaction
C
rock cycle
D
metamorphosis
20) What does vesicular mean? (Hint: Think about the pumice samples you got from Diamond Del.)
A
A substance with holes formed from air bubbles getting trapped inside.
B
A substance that has a rough texture from large mineral crystals forming underground.
C
A substance that is smooth like glass and has no visible crystals.
D
A substance formed intrusively and takes a long time to cool.
*select an answer for all questions
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