Period:_____
Rocks ummm…
Rock!!!
You will need this packet for the
WHOLE rock unit…please do not
lose it!
Section 5.1: Classifying Rocks
1. To identify a rock, you have to look at three things:
a. Mineral composition:
______________________________________________.
b. Color
c. Texture is
______________________________________________.
This is usually determined by the grains in the rock; the
particles of minerals or other rocks.
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Name:_______________________________________
2. By identifying the rock, you can determine a rock’s origin,
which is________________________________________.
3. There are 3 major groups into which a rock can be classified:
a. Igneous rocks form
_____________________________________________
_____________________________________________.
1
Name:_______________________________________
Period:_____
b. Sedimentary rocks form
_______________________________________________
______________________________________________.
c. Metamorphic rocks form
_______________________________________________
______________________________________________.
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Section 5.2: Igneous Rocks
1. Igneous rocks are classified
according to their
a. ____________________
b. ____________________
c. ____________________
____________________.
2. The origin of an igneous rock is determined by
_______________________________________________.
a. If an igneous rock is extrusive, it formed from
_______________________________________.
b. If an igneous rock is intrusive, it formed from
_______________________________________.
2
Name:_______________________________________
Period:_____
The most abundant intrusive rock in the
continental crust is granite.
3. The texture of an igneous rock depends on
_________________________________________________.
4. Mineral composition will usually determine the __________
of the rock.
Could two igneous rocks have the same mineral composition
and have different textures? ______ (Hint: Think back to
mineral formation) Why?
___________________________________________________
___________________________________________________.
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Section 5.3: Sedimentary Rocks
1. Sedimentary rocks are formed by a series of processes:
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When destructive forces
(________________________________,
_________, or __________) loosen/break
off and ___________________________
______________________________________________.
The fragments of rock are referred to as _________________.
3
Name:_______________________________________
Period:_____
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The sediment is carried until __________________________
_________________________________________________.
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Over time, layers of sediment develop
and form on top of one another, and
______________________________
______________________________.
You can usually see these layers in
sedimentary rock.
4
Name:_______________________________________
Period:_____
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Any water that is trapped in
the ground with the rocks
and in the rocks will slowly
_____________________
_____________________,
and the minerals will crystallize in the open spaces and
_________________________________________________.
2. There are three types of sedimentary rocks:
a. Clastic
b. Organic
c. Chemical
Section 5.5: Metamorphic Rocks
1. Metamorphic rocks are classified by __________________
____________________________.
2. A foliated rock has its grains
arranged ________________
________________________
3. A nonfoliated rock has its grains arranged
_______________________________________________.
Retrieved from: http://images.fineartamerica.com/images-medium-large/gneiss-rock-les-palenik.jpg
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5
Name:_______________________________________
Period:_____
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Section 5.6: The Rock Cycle!!
Plate tectonics are a huge help to the rock cycle!!!
1. Plate movements start the rock cycle by
__________________________________________.
2. Plate movements also cause __________________________,
which contribute to forming sedimentary and metamorphic
rocks.
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