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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25
What will you find 1,000 meters below Earth's surface?
rock/ bedrock
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baam
Lose 20 points!
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shark
Other team loses 5 points!
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fairy
Take points!
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lifesaver
Give 25 points!
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monster
Reset all scores!
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rocket
Go to first place!
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shark
Other team loses 25 points!
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thief
Give points!
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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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15
Name 4 types of physical weathering
root wedging, frost wedging, rock fall, abrasion
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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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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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15
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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10
How does igneous rock turn into metamorphic rock?
heat & pressure
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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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15
True or false: Earthquakes cause plates to move.
False
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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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15
True or false: Cobbles will not get eroded as far as silt and clay.
True
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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.