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WorksheetsSedimentary & Igneous Rocks
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
Sandstone is formed from t he natural cementation of....
a)
sand
b)
silt
c)
clay
d)
calcite
2.
Which is an example of a sedimentary rock that has formed from compacted plant remains
a)
conglomerate
b)
rock salt
c)
siltstone
d)
bituminous coal
3.
Which rock is made up of angular fragments of rock held together by a natural cement
a)
breccia
b)
scoria
c)
granite
d)
quartzite
4.
Which would most likely cause molten rock material to become a glassy igneous rock?
a)
cooling over a long period of time
b)
cooling under high pressure
c)
cooling on the earth's surface
d)
cooling at great depth within the earth
5.
According to ESRT's, which rock is of felsic composition, low density, light in color, and coarse grained?
a)
rhyolite
b)
basalt
c)
granite
d)
gabbro
6.
How is crystal size related to the rate a molten material cools
a)
the faster it cools the smaller the crystal
b)
the faster it cools the larger the crystal
c)
the slower it cools the smaller the crystal
7.
Glassy textured rocks cool slowly
a)
True
b)
False
8.
Basalt is a dark colored rock
a)
True
b)
False
9.
Fine grained rocks have visible crystals
a)
True
b)
False
10.
Intrusive rocks are coarse grained
a)
True
b)
False
11.
Granite is a light colored rock
a)
True
b)
False
12.
Dark colored rocks contain quartz
a)
True
b)
False
13.
Pyroxene is a dominant mineral in dark colored rocks
a)
True
b)
False
14.
Obsidianis a volcanic rock
a)
True
b)
False
15.
Igneous rock is formed by
a)
by temperature and pressure changes inside the Earth
b)
the cooling of magma
c)
formed from the products of weathering by cementation or precipitation on the Earth's surface.
16.
Sedimentary rock is formed
a)
by temperature and pressure changes inside the Earth
b)
the cooling of magma
c)
formed from the products of weathering by cementation or precipitation on the Earth's surface.
17.
Metamorphic rock is formed
a)
by temperature and pressure changes inside the Earth
b)
the cooling of magma
c)
formed from the products of weathering by cementation or precipitation on the Earth's surface.
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