Layers Of Earth And Plate Tectonics: Question Preview (ID: 29408)

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The movement of lithospheric plates can cause all of the following EXCEPT
a) volcanic eruptions
b) tornadoes
c) fault lines
d) earthquakes

Which statement does scientific evidence support about the movement of oceans and continents on Earth?
a) Continents can move, but oceans can't.
b) Oceans and continents rest on plates that move constantly in slow motion.
c) Gravity from the moon pulls continents slowly toward each other.
d) Continents stay still except for moving very rapidly every million years.

What makes up most of the outer core?
a) liquid water
b) molten rock
c) hydrogen and helium gas
d) liquid iron and nickel

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

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) 1-10-centimeters
b) 100-1000 centimeters
c) 1-10 kilometers
d) 100-1000 kilometers

Which of these is directly caused by the movements of tectonic plates?
a) hurricanes
b) global warming
c) seafloor spreading
d) ocean currents

The rate at which lithospheric plates move across the surface of Earth is best compared to the speed that a
a) human fingernail grows
b) car travels on a highway
c) rocket escapes from the atmosphere of Earth
d) meteoroid passes through Earth's atmosphere

Which of these formed the Appalachian Mountains?
a) sea-floor spreading
b) continental plates colliding
c) river sediment deposition
d) frequent earthquake activity

How much will a plate probably move in 1 year?
a) less than one millimeter
b) a few centimeters
c) several meters
d) more than one kilometer

How far apart would tectonic plates have probably moved after 10 years?
a) 50 centimeters
b) 5 meters
c) 50 meters
d) 5 kilometers

The top layer of Earth is only about 50 kilometers thick. This layer is known as the
a) mantle
b) outer core
c) inner core
d) crust

Which layer of Earth is composed almost entirely of solid iron and nickel due to extreme pressure?
a) outer core
b) inner core
c) crust
d) mantle

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