Physical Geology Exam 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Layers of the Earth: | Crust, Mantel, Outer and Inner Core
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| Magnetic poles: | MOVE!!!!! and protetct us from the suns deadly rays
Magnet field in South Atlantic is weakening,
Magnetic poles flip
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| Giga Anum: | Billion Years
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| Mega Anum: | Million Years
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| Pangea | the idea that the contenants were once all conected.
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| Types of Plate Boundaries | are....
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| Divergent | where both plates are moving away from eachother
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| Convergent | where both plates are moving towards eachother
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| Transform | where both plates are sliding past eachother
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| Convergent and Transform Boundaries create??? | EARTHQUAKES!!!
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| Convergent and Divergent create??? | Volocanoes!!!
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| Wadafi Benioff Zone??? | A belt of eathquakes in a downgoing plate.
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| Divergent Boundaries create... | rift valleys
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| Black Smokers... how hot? | About 350C
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| The seafloor spreads at what rate? | 5-10 cm/yr or the rate your fingernail grows...
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| Contental Crust is less dence than? | Ocean crust
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| Types of Convergent Boudaries | are...
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| 1. Oceanic | Oceanic
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| 2. Oceanic | Contenental
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| 3. Contenental | Contenental
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| Mariana's trench is... | about 6 miles deep
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| Example of a transform fault is the... | San Anreas Fault
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| Hot spots don't move | just fyi
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| Tallest Mt. in the world is.. | Monta Loa Islan in Hawii
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| What is the direction of plate motion? | The location of the hot spot doesn't change...
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| A mineral is... | Naturally occuring
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| Solid | Cristalline structure
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| Definable Chemical Structure | Inorganic
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| Diamond is made of carbon. | ...
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| Cristaline structure | results from arrangement of atoms
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| Cristal Habit | naturally occuring shapes
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| Cleavage | breaks into predictable planes
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| Cristals have a maximum of ___ planes of cleavae | 4
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| Fracture | Brakage without cleavage
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| Luster | way surface scatters light
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| Streak | color when powdered
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| Specific Gravity | Dencity
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| Luster is | Metalic or Nonmetalic or Sub Metalic
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| Moh's Hardness scale | On a scale from 1 to 10 ten being hardest
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| 1 | Talc
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| 2 | Gypsum
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| 2.5 | Fingernail
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| 3 | Calcite
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| 3.5 | Copper penny
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| 4 | Florite
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| 5 | Apatite
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| 5.5 | Knife
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| 6 | K-spar
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| 6.5 | Steel File
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| 7 | Quartz
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| 8 | Topaz
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| 9 | Corundum
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| 10 | Diamond
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| Luminecense | color under differant forms of light
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| Streak | color when powdered
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| Minerals in Arkansas | Buaxite
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| Bromine | Quartz
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| Clay | Sulfur
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| Coal | Vandium
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| Gemstones: Quarts, diamond | Vermiculite
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| Muscivite | is a mineral
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