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4.20 Unit Test: Plate Tectonics - Part 1

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  • Which phrase best describes of a convergent boundary?
    plates that move toward each other
    plates that are attracted to each other by gravity
    plates that move side by side past each other
    plates that move away from each other
  • At which type of boundary do lithospheric plates collide?
    contour boundaries
    gravitational boundaries
    convergent boundaries
    convection boundaries
  • Which term is described as a seamount with a flattened top?
    guyots
    continental shelf
    abyssal plains
    deep-sea trenches
  • What happens at a convergent boundary?
    Magnetism occurs as lithospheric plates are attracted toward
    Earthquakes occur as lithospheric plates move away from each
    Mountains form as lithospheric plates move side by side past
    Collisions occur as lithospheric plates move toward each oth
  • Which word best describes the hot, weak, inner part of the upper mantle, which can flow?
    core
    lithosphere
    crust and outer part of the mantle
    crust
  • What are the main causes of convection currents in the asthenosphere?
    temperature and pressure
    density and temperature
    density and weight
    weight and pressure
  • Which part of the mantle is still a solid but flows like a thick, heavy liquid?
    crust
    lithosphere
    core
    asthenosphere
  • Which section is part of the lithosphere?
    crust and outer part of the mantle
  • According to the theory of plate tectonics, how do two plates interact to form Earth's largest mountain ranges?
    move apart
    collide
    create new plates
    scrape past each other
  • What activates a convection current, starting the flow of a fluid?
    heated liquids at Earth’s surface
    cold temperatures at the north pole
    iron-rich rocks in the mantle
    temperature differences in the mantle
  • Which two parts of the Earth make up the lithosphere?
    crust and outer part of the mantle
  • Alfred Wegener's theory about Earth's past included a supercontinent made up of all the continents put together. Which word named the supercontinent?
    Laurasia
    Gondwanaland
    Pangaea
    Americas
  • Which term is described as a shelf of undersea land reaching a depth of about 200 meters (656 feet) and extending out from the shoreline?
    continental shelf
    abyssal plains
    guyots
    deep-sea trenches
  • Which phrase gives two forces scientists believe are responsible for tectonic plate motion?
    convection in the mantle and pressure of magma on the edge o
    gravity acting on the edges of plates and convection in the
    gravity acting on the edges of plates and friction between t
    friction between the plate and the asthenosphere and pressur
  • Which phrase gives two processes scientists think move the Earth's lithospheric plates?
    convection in the mantle and pressure of magma on the edge o
    friction between the plate and the asthenosphere and pressur
    gravity acting on the edges of plates and convection in the
    gravity acting on the edges of plates and friction between t
  • Which evidence did Wegener make use of to develop the theory of continental drift?
    The climate of Siberia has always been the same.
    The Rocky Mountains are taller than the Appalachian Mountain
    There is no evidence of glaciers anywhere in South America.
    Similar fossils were found on different continents.
  • Which term is described as a long, narrow depression in the ocean floor?
    continental shelf
    deep-sea trenches
    guyots
    abyssal plains
  • Which term is described as a flat expanse of ocean floor?
    abyssal plains
    deep-sea trenches
    continental shelf
    guyots
  • Which evidence did Wegener make use of to develop the theory of continental drift?
    The Rocky Mountains are taller than the Appalachian Mountain
    The climate of Siberia has always been the same.
    Mountains in North America appear to be part of the same cha
    There is no evidence of glaciers anywhere in South America.