Download USGS Training Activity 1

Name: ________________________________________
Period: _____________
Training Activity 1: Changing Earth: New Frontiers
Rock and Roll
A rock is a solid mixture of crystals of one or more ____________________________________.
Uses:
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Early humans used rock to make _______________________________.
Buildings
Science: helps us with the __________________________________ of the Earth.
3 Rock Types:
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___________________________________________
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___________________________________________
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___________________________________________
Magma is the hot _________________________ that forms when rock partially or completely
melts.
The rock cycle: The rock cycle is the process by which one rock type changes into another.
Weathering
________________________________
Deposition
________________________________
Metamorphism
Name: ________________________________________
Period: _____________
________________________________
Cooling
_________________________________
Fill in the blanks
Study Jams Rock Cycle Video:
Quiz Score: _________________________
Classifying Rocks
Composition – the _________________________________________ the rock is made of.
Texture – sizes, shapes, and positions of the __________________________ of which it is made.
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__________________________- grained (small)
Name: ________________________________________
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Period: _____________
Medium-grained
__________________________-grained (large)
Igneous Rocks
When magma or lava _____________________ down enough, it solidifies to form igneous rock.
Igneous means “fire” in ________________________________.
Igneous Rock Formations
Intrusive Igneous rock forms when magma cools beneath the Earth’s surface. (granite)
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Usually ___________________________________ grained.
Cools slowly
__________________________________ Igneous rocks form on the Earth’s surface. (obsidian)
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Usually ________ __________.
Cools _____________________________________
Can form from ________ or form __________ (long cracks in the Earth’s surface)
Sedimentary Rock
Through ____________ and ________________, sediment (rock fragments) is deposited in
_________________ and becomes compacted.
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Steps: Weathering, erosion, deposition, compaction
Name: ________________________________________
Period: _____________
Layered rock – ________________________________
Stratification – the layering of sedimentary rock. (tells us a lot about
______________________)
Types of Sedimentary Rocks
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Clastic – made of __________ of other ____ and _______. (ex. Sandstone)
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Chemical – made of ________ of ______ and ________. (ex. limestone)
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Organic – made of _______ of animals that ____ lived in the ____. (coal)
o Fossils are formed in _________________ rock.
Fill in the blanks
Name: ________________________________________
Period: _____________
Metamorphic Rock
Meta means _________________ and morphos means __________________________ in Latin.
Rock __________ metamorphism through ________________________ or pressure or both.
All 3 types of rocks can change into ___________________ rock.
Textures of Metamorphic Rock
Foliated – has minerals that are aligned like __________________________ in a book. (Gneiss)
Name: ________________________________________
Period: _____________
Nonfoliated – does not have a regular ______________________________. (Marble)
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Usually made of one or a few ______________________________.
Rock Cycle Diagram Website:
Score: _______/8