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15
×
True or false: Earthquakes cause plates to move.
False
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25
×
Why do only intrusive rocks form large crystals?
Crystals take a long time to form. Since intrusive rocks are in the hot mantle, they have a longer time to cool down and form large crystals.
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×
seesaw
Swap points!
Oops!
×
star
Double points!
Okay!
×
shark
Other team loses 5 points!
Okay!
×
lifesaver
Give 10 points!
Oops!
25
×
What will you find 1,000 meters below Earth's surface?
rock/ bedrock
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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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15
×
True or false: Cobbles will not get eroded as far as silt and clay.
True
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×
seesaw
Swap points!
Oops!
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fairy
Take points!
5
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25
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shark
Other team loses 15 points!
Okay!
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thief
Give points!
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20
×
Describe one model we have used in class.
stream table, abrasion jar, etc
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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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thief
Give points!
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25
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seesaw
Swap points!
Okay!
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fairy
Take points!
5
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25
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thief
Give points!
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25
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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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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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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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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