Earth materials get sorted by size. Different sizes of sediments will erode and settle out in different places.
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10
How does igneous rock turn into metamorphic rock?
heat & pressure
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25
What will you find 1,000 meters below Earth's surface?
rock/ bedrock
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15
How can you identify a limestone rock? State 2 ways.
1. Acid test - fizzes/ chemical reaction (has calcite)
2. Appearance - made of broken shells, corals, fossils/ looks like it formed in ocean environment
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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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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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How does igneous rock turn into sedimentary rock?
It gets weathered and eroded into sediments and then deposited into a basin where the sediments compact and cement.
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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
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20
Describe one model we have used in class.
stream table, abrasion jar, etc
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True or false: Cobbles will not get eroded as far as silt and clay.
True
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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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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)