unit test study guide
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Changing Earth Formative Assessment
Grade:6
Subject:Science
Date:9/12/11
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1 What is the correct order of the layers of the Earth from OUTERMOST layer to the INNERMOST layer?
A crust, outer core, inner core, mantle
B crust, mantle, outer core, inner core
C inner core, outer core, crust, mantle
D inner core, outer core, mantle, crust
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2 Which of the following is true as you move from Earth's outermost layer to its innermost layer?
A The thickness of each layer increases
B The thickness of each layer decreases
C The heat and pressure increase
D The heat and pressure decrease
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3 Which of the following statements is most true of the inner and outer core?
A They are both a molten layer
B They are both a solid layer
C They are both made of magma
D They are both made of iron and nickel
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4 Which of the following statements does not describe a tectonic/crust plate?
A They are stationary
B They are driven by actions in the mantle
C They move slowly
D They have been moving for millions of years
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5 Which of these statements is correct?
A Continental crust is thicker than oceanic crust
B Continental crust is thinner than oceanic crust
C Oceanic crust does not exist
D Continental and oceanic crust are the same thickness
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6 Mid-ocean ridges are places where tectonic/crustal plates are...?
A colliding
B sliding past each other
C spreading apart
D none of the above
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7 Approximately 225 million years ago, the Earth's continents were grouped into one landmass. What was this landmass called?
A Europa
B Jurassic
C Pangaea
D Pangaea Ultima
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8 What is happening at a subduction zone?
A The oceanic crust is being pulled under continental crust
B Plates are sliding past each other
C Plates are spreading apart
D None of the above
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9 When did the supercontinent of Pangaea begin to break apart?
A 20 million years ago
B 40 million years ago
C 100 million years ago
D 200 million years ago
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10 Which of these concepts is part of the theory of plate tectonics?
A Continents are fixed and do not move
B A great flood shaped Earth's surface
C Continents are in slow, constant motion
D Continents and crustal/tectonic plates are the same size
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11 Mountain formation can result when which of the following occurs?
A Two oceanic plates collide
B Two continental plates collide
C Two oceanic plates spread apart
D Two continental plates spread apart
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12 What is the border between two tectonic/crustal plates called?
A boundary
B collision zone
C rift
D trench
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13 Which of the following geologic events are most common at a transform boundary?
A Mountain formation
B Earthquakes
C Volcanic eruptions
D Rift formation
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14 What is NOT likely to happen at a divergent boundary?
A Volcano formation
B Seafloor spreading
C Rift valley
D Mountain formation
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15 California's San Andreas Fault is identified as which type of fault?
A Blind thrust
B Dip-Slip
C Normal
D Strike-Slip
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16 Which is true of P waves?
A They do the most damage on the surface of the Earth
B They are the slowest of all earthquake waves
C They are the fastest of all earthquake waves
D They are the last to arrive at a seismograph
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17 Which type of earthquake waves cause the most damage?
A S waves
B P waves
C Surface waves
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18 What best describes the magnitude of an earthquake?
A It is how long the earthquake waves were felt
B It is the distance the waves of an earthquake travel
C It is how powerful the earthquake was
D It is the time between S and P waves
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19 Which of the following statements is true?
A The focus is directly above the epicenter
B The epicenter is directly above the focus
C The focus is the point on the surface where the earthquake originated
D The epicenter is the point in the ground where the earthquake originated
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20 What is this a picture of?
A Earthquake damage
B Earthquake S and P waves arrival times
C Earthquake frequency
D Earthquake damage report
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21. What is the S-P interval for this seismograph?
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22. What is the amplitude of the S wave?
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23. What is the magnitude of this earthquake?
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24. In what city is this earthquake’s epicenter?