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Layers Of Earth And Plate Tectonics
Test Description: Multiple choice
Instructions: Answer all questions to get your test result.
1) The top layer of Earth is only about 50 kilometers thick. This layer is known as the
A
inner core
B
crust
C
mantle
D
outer core
2) What makes up most of the outer core?
A
molten rock
B
liquid iron and nickel
C
hydrogen and helium gas
D
liquid water
3) When lithospheric plates move away from each other
A
new sea floor forms
B
tides become higher
C
winds become stronger
D
water moves to higher latitudes
4) How far apart would tectonic plates have probably moved after 10 years?
A
5 meters
B
50 centimeters
C
5 kilometers
D
50 meters
5) Which of these formed the Appalachian Mountains?
A
river sediment deposition
B
frequent earthquake activity
C
sea-floor spreading
D
continental plates colliding
6) How much will a plate probably move in 1 year?
A
a few centimeters
B
several meters
C
more than one kilometer
D
less than one millimeter
7) The rate at which lithospheric plates move across the surface of Earth is best compared to the speed that a
A
rocket escapes from the atmosphere of Earth
B
car travels on a highway
C
meteoroid passes through Earth's atmosphere
D
human fingernail grows
8) Which statement does scientific evidence support about the movement of oceans and continents on Earth?
A
Continents stay still except for moving very rapidly every million years.
B
Gravity from the moon pulls continents slowly toward each other.
C
Oceans and continents rest on plates that move constantly in slow motion.
D
Continents can move, but oceans can't.
9) Which of these is directly caused by the movements of tectonic plates?
A
global warming
B
ocean currents
C
seafloor spreading
D
hurricanes
10) Some satellites collect data related to the movement of the lithospheric plates. Which best estimates the range of distances that lithospheric plates move in a year?
A
100-1000 centimeters
B
100-1000 kilometers
C
1-10-centimeters
D
1-10 kilometers
11) The movement of lithospheric plates can cause all of the following EXCEPT
A
earthquakes
B
fault lines
C
volcanic eruptions
D
tornadoes
12) Which layer of Earth is composed almost entirely of solid iron and nickel due to extreme pressure?
A
crust
B
outer core
C
inner core
D
mantle
*select an answer for all questions
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