EOC 2nd Semester Concepts #2 Question Preview (ID: 42308)
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Which of the following occurs because of convection currents?
a) Tectonic plates on the crust move.
b) The mantle increases in size.
c) Pressure in the crust increases.
d) Pressure in the crust decreases.
Earthquakes and volcanoes are most likely found in which locations?
a) At plate boundaries
b) in oceans
c) in the middle of continents
d) in the middle of plates
Which of the following is NOT evidence to support the theory of plate tectonics?
a) Fossils
b) Rock types
c) Glacier movement
d) Sand Erosion
A divergent boundary occurs when plates ....
a) Pull apart
b) Come together
c) Slide past each other
d) subducting
Which of the following did not support the Continental Drift Theory?
a) Magnetic striping in the ocean floor
b) identical fossils found in different continents
c) Mountains that extend over continents
d) Coastlines of continents such as South America and Africa fit like a puzzle
What type of boundary creates a new seafloor?
a) convergent continental to continental
b) convergent ocean to continental
c) convergent ocean to ocean
d) divergent
Created by a divergent boundary
a) rocky mountain
b) mid-Atlantic ridge
c) Mariana's Trench
d) volano
What are mid-ocean ridges?
a) A chain of underwater falls
b) A chain of underwater volcanoes
c) A chain of underwater mountains
d) A chain of underwater rocks
Plate movement is caused by _____
a) The rotation of the Earth
b) Ocean tides
c) Convection current in the mantle
d) The moon's gravity
What lanform forms at subduction zones?
a) mountains
b) Island arc
c) rift valley
d) volcanoes
Earth's plates are....
a) Never moved
b) Move seldom and very fast
c) Constantly moving and changing the face of the Earth
d) move when they feel like it
What was the name given to all the continents when they were joined as one super continent?
a) Supreme Continent
b) Plate tectonics
c) Eurasia
d) Pangea
Oceanic crust is....
a) Younger and less dense than continental crust
b) Thinner, younger, and more dense than continental crust
c) older, thicker, and less dense than continental crust
d) Bigger and younger than continental crust
Mountains form from....
a) Plates sliding past one another
b) collision of plates
c) plates moving away from each other
d) none of these
Which of the following land formation occurs at a divergent continental/continental boundary?
a) mid-ocean ridge
b) deep ocean trench
c) Pacific hot spot
d) rift valley
Which of the following is associated with transform boundary?
a) volcanoes
b) mountains
c) trenches
d) earthquakes and fault line
Which of the following is where one plate slides under another plate?
a) submarine zone
b) divergence zone
c) subduction zone
d) lower zone
To create seafloor spreading, ____ is pushed up from the mantle.
a) Lava
b) Iron
c) Magma
d) Nickel
Which of the following are evidence for continental drift?
a) coastlines fitting together
b) volcanoes
c) earthquakes
d) ancient coral reefs
The _________ is the thinnest layer of Earth.
a) outer core
b) inner core
c) mantle
d) crust
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