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WorksheetsUnit 1: Rocks and Minerals
Total questions: 28
Worksheet time: 56mins
Name
Class
Date
1.
Cleavage of a mineral is related to a mineral's
a)
chemical composition
b)
streak color
c)
luster
d)
crystalline structure
2.
Which kind of rock is formed when volcanic lava cools?
a)
sedimentary
b)
metamorphic
c)
igneous
d)
magma
3.
A student want to study how igneous rock changes to sedimentary rock. Is this a good project if the student needs to complete the study within a month?
a)
Yes because the changes will happen quickly and be significant.
b)
Yes because the changes will be easily observed since they are very obvious.
c)
No because the difference between igneous rock and sedimentary rock is not noticeable.
d)
No because the changes will take much longer than a month to occur.
4.
Sedimentary rocks are not found on the Moon because
a)
there is no silicon on the Moon.
b)
lava flows are missing from the surface.
c)
the Moon's gravity is too weak.
d)
there is no weathering on the Moon.
5.
Rocks found on Earth are generally classified as sedimentary, metamorphic, or igneous. On which basis are these classifications made?
a)
where the rocks are found
b)
how the rocks are formed
c)
the color and shape of the rocks
d)
the chemical composition of the rocks
6.
The formation of metamorphic rocks depends on all of the following EXCEPT
a)
the composition of the parent rocks.
b)
Earth's magnetic field.
c)
temperature.
d)
pressure.
7.
Rocks are affected by heat and pressure. One source of this pressure is
a)
energy from the Sun.
b)
burning of fossil fuels.
c)
the mass of overlying rocks.
d)
the decomposition of organic materials.
8.
Susan wants to identify a dark, heavy mineral sample she found in the classroom collection. She notices there are three minerals in a chart in a reference book that might match her sample. Susan next observes that her sample mineral has flat, reflective surfaces that break into boxlike steps. She infers the mineral may be galena. If she is correct, one more test will verify her inference. Which property would be best for her to observe next?
a)
hardness
b)
luster
c)
streak
d)
color
9.
Granite is a kind of
a)
energy.
b)
fossil.
c)
rock.
d)
mineral
10.
When rocks undergo weathering, they become
a)
magma.
b)
igneous rock.
c)
sediment.
d)
volcanic cones.
11.
Sedimentary rocks can be converted into magma by undergoing which of the following processes?
a)
weathering and erosion
b)
cooling and crystallization
c)
heat and pressure
d)
compaction and cementation
12.
What type of rock results from the cooling of lava from a volcano?
a)
sedimentary
b)
bituminous
c)
igneous
d)
metamorphic
13.
Which is NOT part of the definition of a mineral?
a)
naturally occurring
b)
definite composition
c)
solid
d)
organic
14.
Igneous rocks are classified by where they are formed. Which type of igneous rock forms underground?
a)
extrusive
b)
intrusive
c)
volcanic
d)
ash
15.
Igneous rocks form from
a)
sediment.
b)
mud.
c)
gravel.
d)
magma.
16.
When magma reaches Earth's surface it becomes
a)
gas.
b)
steam.
c)
energy.
d)
lava.
17.
Which is a mineral?
a)
glass
b)
graphite
c)
magma
d)
marble
18.
Some of Earth's rocks are formed by the cooling of a molten material called
a)
magma.
b)
ore.
c)
coal.
d)
lime.
19.
What type of rock is sandstone?
a)
igneous
b)
metamorphic
c)
ferromagnetic
d)
sedimentary
20.
When limestone is exposed to enough heat and pressure, it goes through physical changes. These changes can turn limestone into a different kind of rock called marble. Which of these BEST describes marble?
a)
It is an igneous rock.
b)
It is a synthetic rock.
c)
It is a sedimentary rock.
d)
It is a metamorphic rock.
21.
During a summer vacation in Hawaii, Carlos found several rock samples to share with his Earth Science class. Most of the rocks were black, containing only few light-colored crystals. All of the crystals were large and the rocks had a coarse texture. Based on this information which of the following statements is true about the rocks Carlos found?
a)
The rocks were obsidian.
b)
The rocks were extrusive.
c)
The rocks were intrusive.
d)
The rocks were metamorphic.
22.
Which type of rock is most likely to be formed by the cooling of magma underground?
a)
sandstone
b)
limestone
c)
granite
d)
shale
23.
Limestone is a sedimentary rock found in South Georgia and North Florida. Limestone is easily weathered and eroded because the main mineral found in limestone reacts acid rain and ground water. What type of mineral likely makes up limestone?
a)
calcite
b)
gypsum
c)
quartz
d)
silica
24.
This intrusive igneous rock is dark in color and contains minerals that are high in iron and magnesium. Based on information, what type of igneous rock is this?
a)
slate
b)
gabbro
c)
obsidian
d)
rhyolite
25.
Ricardo has an igneous rock in his rock collection. Where did this rock form?
a)
in a volcano
b)
on a forest floor
c)
on a coral reef
d)
at the bottom of a river
26.
Extrusive rocks are formed by
a)
lava cooling on Earth's surface.
b)
pressures inside Earth.
c)
the attraction of magnetic particles.
d)
tidal deposits of sediment.
27.
Students want to identify a rock in a nearby field.Which of the following properties would be MOST useful in identifying the unknown rock?
a)
color
b)
smell
c)
mineral content
d)
specific weight
28.
Extrusive rocks have small grains because they
a)
cool quickly.
b)
harden underground.
c)
contain rare minerals.
d)
have a rough mixture.
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