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Ch. 2.2 & Ch. 3 Rocks Jeopardy ! - PowerPoint PPT Presentation

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Ch. 2.2 & Ch. 3 Rocks Jeopardy !. Rock Mugshots. This rock is on fire!. Under pressure. Breaking Bad. Mixed Bag or Minerals. 100 pt. 100 pt. 100 pt. 100 pt. 100 pt. 200 pt. 200 pt. 200pt. 200 pt. 200 pt. 300 pt. 300 pt. 300 pt. 300 pt. 300 pt. 400 pt. 400 pt.

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This rock is










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rock mugshots 100 q
Rock Mugshots$100 Q
  • Black or brown glassy rock
rock mugshots 100 a
Rock Mugshots $100 A
  • Igneous--obsidian
rock mugshots 200 q
Rock Mugshots$200 Q
  • Tiny particles cemented together by calcite, silica, or iron oxides.
rock mugshots 200 a
Rock Mugshots$200 A
  • Sedimentary--sandstone
rock mugshots 300 q
Rock Mugshots $300 Q
  • Parent rock is shale; extremely fine texture and splits cleanly along its rock planes
rock mugshots 300 a
Rock Mugshots$300 A


rock mugshots 400 q
Rock Mugshots $400 Q
  • Coarse-grained crystalline rock composed of potash feldspar crystals in a light-colored aphanitic mass
rock mugshots 400 a
Rock Mugshots $400 A
  • Igneous—trachyte porphyry
rock mugshots 500 q
Rock Mugshots$500 Q
  • Recrystallized limestone containing some impurities
rock mugshots 500 a
Rock Mugshots$500 A
  • Metamorphic—serpentine marble
this rock is on fire 100 q
This rock ison fire!$100 Q
  • Compare and contrast the formation of intrusive and extrusive igneous rocks.
this rock is on fire 100 a
This rock is on fire! $100 A
  • Intrusive= magma hardens beneath Earth’s surface
  • Extrusive= lava hardens (above Earth’s surface)
this rock is on fire 200 q
This rock is on fire! $200 Q

A rock has a porphyritic texture. What can you conclude about the rock?

this rock is on fire 200 a
This rock is on fire! $200 A

Very different sized minerals

minerals crystallize at different

temperatures or at different rates

this rock is on fire 300 q
This rock is on fire! $300 Q
  • Apply what you know about cooling rates to explain differences in crystal sizes.
this rock is on fire 300 a
This rock is on fire! $300 A
  • Slow cooling rates large, well-formed crystals
  • Fast cooling rates small crystals that might or might not be well formed.
this rock is on fire 400 q
This rock is on fire! $400 Q

Is it possible for two different types of igneous rocks to have the same composition and the same texture? Explain.

this rock is on fire 400 a
This rock is on fire! $400 A

No, if two rocks have the same composition, then they are the intrusive and extrusive equivalents of one another. Thus, they cannot have the same textures. (ex: granite & rhyolite)

this rock is on fire 500 q
This rock is on fire! $500 Q
  • Describe 3 of the 4 major compositional groups of igneous rocks
this rock is on fire 500 a
This rock is on fire! $500 A
  • Granitic= mostly light-colored silicate minerals (feldspar & quartz)
  • Basaltic= mostly dark silicate minerals and plagioclase feldspar
  • Andesitic=mixture of both light and dark (granitic & basaltic)
  • Ultramafic= all dark silicate minerals

(olivine & pyroxene)

under pressure 100 q
Under pressure $100 Q
  • Which term best describes this rock’s texture? WHY?!
  • Crystalline
  • Nonfoliated
  • Foliated
  • Clastic
under pressure 100 a
Under pressure $100 A
  • FOLIATED (layers)
under pressure 200 q
Under pressure $200 Q
  • Summarize what causes foliated metamorphic textures to form.
under pressure 200 a
Under pressure $200 A
  • High pressure causes minerals with flat or linear crystals to grow with a preferred or unidirectional orientation.
under pressure 300 q
Under pressure $300 Q
  • Explain how temperature increases can cause metamorphism.
under pressure 300 a
Under pressure $300 A
  • Increases in temperature cause reorganization of the atoms in the elements that make up the minerals new minerals form or mineral crystals

increase in size

under pressure 400 q
Under pressure $400 Q
  • Distinguish between regional and contact metamorphism.
under pressure 400 a
Under pressure $400 A
  • Contact=when igneous intrusion comes in contact with solid rock and affects small area
  • Regional=high temp. pressure affects large areas of Earth’s crust
under pressure 500 q
Under pressure $500 Q
  • In what ways do metamorphic rocks differ from the sedimentary and igneous rocks from which they form? List & explain at least 2 reasons.
under pressure 500 a
Under pressure $500 A
  • Foliated/nonfoliated
  • Contain metamorphic minerals (mica, garnet, talc, etc.) that are stable under different conditions that other minerals (certain temps. & pressures)
breaking bad 100 q
BreakingBad $100 Q
  • Differentiate between clastic and chemical sedimentary rocks.
breaking bad 100 a
Breaking Bad $100 A
  • Clastic=bits of weathered material
  • Chemical=formed from dissolved minerals precipitated from H2O solutions
breaking bad 200 q
Breaking Bad $200 Q
  • Explain why you would find the oldest fossils at the bottom of a cliff and the youngest fossils at the top of a cliff.
breaking bad 200 a
Breaking Bad $200 A
  • Superposition layering of new material due to deposition and sedimentation/cementation
breaking bad 300 q
Breaking Bad $300 Q
  • Analyze the environmental conditions to explain why most chemical sedimentary rocks form mainly in areas that have high evaporation rates.
breaking bad 300 a
Breaking Bad $300 A
  • Evaporation—continuously removes freshwater from the body of water
  • Helps to maintain high concentrations of minerals in the remaining water
  • minerals precipitate out to form chemical sed. rock!
breaking bad 400 q
Breaking Bad $400 Q
  • Identify the types of environments in which fine-grained sedimentary rocks form.


breaking bad 400 a
Breaking Bad $400 A
  • Slow moving water (ponds, swamps, deep ocean)
    • Sediments settle to the bottom and accumulate in thin horizontal layers
breaking bad 500 q
Breaking Bad $500 Q
  • Determine whether you are walking upstream or downstream along a dry mountain stream if you notice that the shape of the sediment is getting more angular as you continue walking. Explain.
breaking bad 500 a
Breaking Bad $500 A
  • Because sediment becomes more rounded as it travels away from its source, you can determine that you are walking upstream, toward the source of sediments.
mixed bag or minerals 100 q
Mixed Bag or Minerals $100 Q

Name this character:

Feldspar is considered a _____ because it has a characteristic chemical composition and a definite internal structure.

mixed bag or minerals 100 a
Mixed Bag or Minerals $100 A

Thumper from Bambi


mixed bag or minerals 200 q
Mixed Bag or Minerals $200 Q

Mary’s father has 5 daughters – Nana, Nene, Nini, Nono. What is the fifth daughters name?

What characteristic is used for classifying minerals into individual groups?

mixed bag or minerals 200 a
Mixed Bag or Minerals $200 A


Chemical composition

mixed bag or minerals 300 q
Mixed Bag or Minerals $300 Q

Who scored a record 10 hat tricks in an NHL season?

Illustrate a silica tetrahedron.

mixed bag or minerals 400 q
Mixed Bag or Minerals $400 Q

Cats are unable to detect what taste?

Calcite(CaCO3) is the dominant mineral in the

rock limestone. In which mineral group does it belong?

mixed bag or minerals 400 a
Mixed Bag or Minerals $400 A


Carbonates (CaCO3)

mixed bag or minerals 500 q
Mixed Bag or Minerals $500 Q

______ & ______ are the only planets that rotate clockwise (retrograde rotation.)

Decide which of the following materials are not minerals, and explain why: petroleum, wood, coal, steel, concrete, glass.

mixed bag or minerals 500 a
Mixed Bag or Minerals $500 A
  • Petroleum= neither solid nor inorganic [not]
  • Wood & Coal= organic [not]
  • Steel & Concrete=don’t occur naturally [not]
  • Glass (natural or synthetic)= doesn’t have crystalline structure [not]

Venus & Uranus