It gets weathered and eroded into sediments and then deposited into a basin where the sediments compact and cement.
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boom
Lose 50 points!
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fairy
Take points!
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25
shark
Other team loses 20 points!
Okay!
banana
Go to last place!
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20
What does crystal size reveal about where a rock formed?
Large crystals - intrusive, formed from magma in the mantle
Small/ no crystals - extrusive, formed from lava on the crust
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10
How does igneous rock turn into metamorphic rock?
heat & pressure
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15
Name 4 types of physical weathering
root wedging, frost wedging, rock fall, abrasion
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15
True or false: Cobbles will not get eroded as far as silt and clay.
True
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5
What is a substance deposited as a solid from a solution (such as calcite forming in the limewater experiment)?
precipitate
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20
Why do there appear to be stripes on the walls of the Grand Canyon?
The rocks form in horizontal layers of different types of rock as the environment changes over time and the different types are different colors.
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banana
Go to last place!
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shark
Other team loses 15 points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
15
Which type of rock is the oldest? How do you know?
Sandstone - older layers are at the bottom because they were there before newer layers piled on top
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15
Besides earthquakes, what is the result of a convergent boundary?
(continental crust) the crust gets pushed up into mountains
(oceanic crust) one plate subducts under another and melts and the magma rises to form a volcano
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20
What type of rock would be beneath gray shale at location B? How do you know?
Granite - there is a correlation (same layers in same order and granite is under grey shale at location A)
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25
How do earth materials get sorted in nature?
Earth materials get sorted by size. Different sizes of sediments will erode and settle out in different places.
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20
Describe one model we have used in class.
stream table, abrasion jar, etc
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25
The image shows 2 locations in the Grand Canyon. What type of rock would be the top layer at a location in between A and B? How do you know?
Limestone - there is a correlation between the rock layers so they have the same rock layers in the same order and a site at the midpoint would too
