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Dynamic Earth Chap.1

QuestionAnswer
MC When tension acts on rocks, the rocks are being Pulled
MC When sheering acts on rocks, the rocks are Twisting and Tearing
MC In a reverse fault, the hanging wall Moves up
MC A fold is a Bend in rock
MC An oval if circular uplifted are created by rising molten rock is called a Dome
MC In a lateral fault one block Moves horizontally past one another
MC Deformation is Breaking, Tilting, and Folding
MC Mantle rocks...Solid or Liquid? Liquid
MC If you walked to the center of an anticline, you would be standing On a hill
MC Movement of rock along a fault Up, Down, Horizontal
MC A force that gently deformes rocks is Stress
MC Compression differs from tension because Compression pushes and Tension pulls
MC When joints form in rocks, they Crack parallel to eachother
MC Which of these processes will not deform the Earths crust? Stress, Earthquake
MC The crust of the Earth Outermost layer, made up of contentental crust and oceanic crust, rigid, thin
MC Isostasy in the Earth occurs because The downward force of the crust and the upward pull of the mantle
MC If the tons of ice that cover the Antarctic were to melt, the crust in that are would Rise
MC Massive amounts of sediments deposited in the Gulf of Mexico have caused the Crust to sink
MC Rocks have been carried many kilometers from their original location by Thrust fault, glaciers
MC Older rocks are found on top if younger rocks in Thrust fault
C Parallel rock fractures that occur along numerous flat surfaces are called _____. Joints
C A fault that is formed when compression causes the hanging wall to move over the foot wall is called a(n) _____. Thrust fault
C Rocks that bend easily are said to be _____. Ductile
C A low area formed when a block of land between two normal faults slides downward is called a(n) _____. Rift valley
C The balancing of an upward and downward forces that act between the two outermost layers of the Earth is called _____. Isostasy
C (cut off on paper) (cut off on paper)
C The _____ is the block of rock above a fault. Hanging wall
C If stress due to compression is acting on a fault, the hanging wall will move up relative to the foot wall in a _____ fault. Reverse
C Layers of rock that bend can produce a downward fold know as a(n) _____. Syncline
C The layer of Earth called the _____ is made of rock that flows slowly. Mantle
TF The outermost layer of the Earth is called the mantle. False
TF Mountains formed by blocks of rock uplifted by normal faults are called dome mountains. False
TF An upward lift in rock is called a syncline. False
TF Molten rock found beneath the Earth's surface is called lava. False
TF The squeezing together of rocks by stress is called shearing. False
TF The uplifted area created by magma from below is called a hill or mound. False
TF If rocks become extremely hot during compression, they are more likely to fault than to fold. False
TF The pushing and pulling of the Earth's crust is called deformation. True
TF A bend in rock layer is called a joint. False
TF Earthquakes often occur in faults in the Earth's crust. True
E Describe an activity or demonstration that we did this chapter, and mention what I was trying to help you learn by doing this activity. Isostasy Lab
E Compare and Contrast faults and folds. Faults break and folds bend
E Study the picture. Using evidence that you can gather from the sketch, explain any crust movement that has occurred at this site Lateral fault causes sheering
E Describe two conditions under which a rock would fold rather than fault. More likely to be ductile, extreme heat and pressure
E Describe the types of stress that would cause the movement of rocks shown in the picture. Make sure you include how the stress is moving the rock. Compression - Causing one part to slide over the other
Created by: rileybond
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