Download minerals are not.

The Rock Cycle and Rocks
The Rock Cycle
Igneous Rocks
Metamorphic
and
Sedimentary
Rocks
Minerals #1
Minerals #2
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The Rock Cycle for 100
Define rock.
Mixture of one or more minerals, rock fragments,
volcanic glass, organic matter, or other natural
materials.
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The Rock Cycle for 200
Explain how rocks differ
from minerals.
Minerals are naturally occurring crystalline solids
with definite chemical compositions. Rocks most
often are mixtures of more than one mineral or other
natural materials.
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The Rock Cycle for 300
In the mini-lab using glue and coarse sand to represent rock
formation, what did the glue represent?
The glue represented minerals.
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The Rock Cycle for 400
Compare and contrast igneous and
metamorphic rock formation.
Both form at relatively high temperatures. Igneous rocks solidify
from melted rock material; metamorphic rocks begin and remain in
the solid state as they form.
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The Rock Cycle for 500
Verbally develop a poem that
explains what can happen to a
sedimentary rock as it changes
throughout the rock cycle.
Story must include a logical pathway through the
rock cycle.
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Igneous Rocks for 100
Explain the difference
between magma and lava.
Magma is molten rock below the Earth’s surface, lava
is molten rock on the Earth’s surface.
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Igneous Rocks for 200
Explain the difference
between intrusive and
extrusive igneous rock.
Intrusive igneous rock is rock that forms from
magma below the Earth’s surface. Extrusive
rock is rock that forms from lava at the
Earth’s surface.
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Igneous Rocks for 300
The texture of obsidian is best described as glassy. Why
does obsidian contain few or no mineral grains?
Obsidian solidifies so quickly that there is no time
for mineral grains to form.
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Igneous Rocks for 400
Identify the property of magma that causes it to
be forced upward toward the Earth’s surface.
Magma is less dense than the surrounding rocks
and is forced upward.
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Igneous Rocks for 500
Granite, pumice, and scoria are igneous rocks.
Why doesn’t granite have air holes like the
other two?
Because granite is an intrusive rock. Pumice and scoria
form above ground where escaping gases can form
bubbles in lava.
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Metamorphic and Sedimentary
Rocks for 100
What is foliation? How does it form?
TUESDAY TRIPLE!!
Foliation is the planar layering caused by the
orientation and distribution of mineral grains in a
metamorphic rock. Foliation is caused by
pressure-induced deformation within Earth.
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Metamorphic and Sedimentary
Rocks for 200
During which process do minerals precipitate in the
spaces between sediment grains?
A. Compaction
B. Weathering
C. Cementation
D. Conglomerate
C. cementation
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Metamorphic and Sedimentary
Rocks for 300
What is a rock? How is rock different from
a mineral?
A rock is a mixture minerals, volcanic glass,
organic matter, or other materials. A is a
mixture; minerals are not.
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Metamorphic and Sedimentary
Rocks for 400
Explain how pieces of granite and slate
could both be found in the same pieces of
conglomerate. How would granite and slate
pieces be held together?
Granite and slate could be weathered in
separate locations, then transported and
deposited in the same location. Mineral cements
would hold grains together.
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Metamorphic and Sedimentary
Rocks for 500
Marble is a common material used to make sculptures,
but not just because it’s a beautiful stone. What
properties of marble make it useful for this purpose?
Marble is soft enough that it is easy to shape. It is
composed of mainly calcite, which has a hardness of
only 3 on the Mohs Hardness Scale.
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Minerals #1 for 100
Define mineral.
It is a naturally occurring, inorganic solid with
a definite chemical composition and an orderly
arrangement of atoms.
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Minerals #1 for 200
Are diamonds made in a laboratory considered a mineral?
Why or why not?
No; because the
diamonds are made in
the lab, they are NOT
naturally occurring.
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Minerals #1 for 300
All minerals share the following characteristics EXCEPT that
of…
a. being formed by natural processes
b. being formed from living organisms
c. being solids
d. having the atoms within the mineral arranged in a pattern
b.
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Minerals #1 for 400
Muscovite mica will peel off in flat sheets.
This is an example of the physical
characteristic called…
cleavage
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Minerals #1 for 500
If the cost of separating a mineral from waste rock
becomes too great, the mineral may no longer be
classified as an ore. This happens because…
The mineral can no longer be mined for a profit.
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Minerals #2 for 100
Define hardness.
A measure of how easily a
mineral can be scratched.
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Minerals #2 for 200
A mineral is classified as an ore as long as…
a. it is rare and beautiful
b. it can be used as jewelry
c. it is profitable and useful
d. it is solid and natural
c. it is profitable and useful
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Minerals #2 for 300
Describe how vein minerals form.
Vein minerals form when minerals precipitate
from fluids moving along faults or fractures.
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Minerals #2 for 400
Describe how streak is used to distinguish
between gold and pyrite.
Rub the samples across a ceramic tile streak
plate. Pyrite shows a greenish-black streak. Gold
leaves a yellow streak.
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Minerals #2 for 500
How would a collector of minerals determine the
hardness of an unknown mineral specimen?
A collector would use the Mohs scale of hardness
and would use scratch tests against known
minerals.
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