Igneous Rocks

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Igneous Rocks
JEOPARDY
With special hosts You !!! (and your friendly
teacher)
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The Board
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Wild Card 100

• The meaning of the term ignis in Latin?
• Answer- What is fire
• Return to game board

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Wild Card 200

• An igneous rock with a vesicular texture (air
  bubbles) is what type of igneous rock
• What is an extrusive rock?
• Return to game board

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Wild Card 300

• The reason why olivine is found in the ground
  even though Bowens Reaction Series says it
  should become pyroxene
• Answer- What is it sinks to the bottom, and out
  of the melt?
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Wild Card 400

• This is what happens to the arrangement of
  silicon-oxygen as you proceed in the BRS?
• Answer- What is it gets more and more complex?
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W.C. 500

• The texture of rocks that cool, very, very
  rapidly
• Answer- What is glassy?
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Rock ID 100

• A general term for Coarse-grained rocks
• Answer- What is Phaneritic?
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Rock ID 200

• Rocks with high percentages of magnesium and iron
• Answer- Who is mafic?
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Rock ID 300

• Extrusive rocks like rhyolite and basalt exhibit
  this type of texture
• Answer- What is aphanitic?
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Rock ID 400

• Rocks with this type of composition exhibit a
  light pinkish color?
• Answer- What is Felsic?
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Rock ID 500

• Porphyritic texture indicates this about the
  cooling history of a rock
• Answer- What is two distinct cooling periods.
  One slow, then one fast.
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BRS 100

• The left-hand branch of the Bowens Reaction
  Series
• Answer- What is the Iron-rich reaction series?
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B.R.S. 200

• The three ending minerals of the BRS and the rock
  they form?
• Answer- What is mica, feldspar, quartz, and
  granite?
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BRS 300

• What is the first mineral to crystallize in the
  iron-rich series?
• Answer- What is olivine?
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BRS 500

• The right-hand side of the BRS
• Answer- What is the continous change of the
  feldspar group from Calcium rich to Sodium rich?
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BRS 400

• The change in magma composition from the
  beginning to the end of the BRS
• Answer- What is basaltic to rhyolitic?
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Magma 100

• A slushy mix of molten rock, gases and minerals
  found in the Earths interior.
• Answer- What is magma?
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Magma 200

•  The manner in which magma is classified
• Answer- What is silica content?
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Magma 400

• The 4 factors that affect magma formation
• Answer- What are temperature, pressure, water
  content, and mineral composition?
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Magma 500

• The reason why magma is a slushy mix of molten
  rock, liquids, and minerals,
• Answer- What is partial melting and fractional
  crystallization?
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Magma 300

• The difference between magma and lava
• Answer- What is lava is magma that has reached
  the surface?
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Definitions 300

• Intrusive rock
• Answer- What is a rock that cooled slowly on the
  inside of Earth?
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Definitions 400

• A rock that cools quickly on Earths surface
• Answer- What is an extrusive rock?
• Return to game board

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Definitions 500

• The reason why the term plutonic (intrusive) is
  used to refer to intrusive rocks
• Answer- What is the fact that Pluto rules the
  underworld and plutonic rocks formed under the
  world?
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Definitions 200

• Rocks are classified as igneous, metamorphic or
  sedimentary based on this
• Answer- What is how they formed (mode of origin)?
  
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Definitions 100

• All igneous rocks have this in common
• Answer- What is crystallized from magma or lava?
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Wild Card 300

• Increasing pressure will do this to the melting
  point of rocks
• Answer- What is increase it?
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