What is the name of the super continent?
A. Godwana
B. Eurasia
C. Pangaea
D. Lurasia
C. Pangaea
What is the theory that states the continents formed one large landmass and moved apart?
A. seafloor spreading
B. Continental Drift
C. Plate Tectonics
B. Continental Drift
What is a trace of an organism that has been preserved in rock?
A. metamorphic rock
B. conglomerate rock
C. fossil
D. landform
C. fossil
What instrument was used to determine seafloor
spreading?
A. speedometer
B. sonar
C. seismograph
B. sonar
Which evidence did not support continental drift?
A. plant and animal fossils
B. glacier cuts in rocks
C. human remains
D. rocks and mountains
C. human remains
Why did the scientists reject continental drift?
A. Wegener used too many pieces of evidence.
B. Wegener was interested in what the Earth looked like millions of years ago.
C. Wegener could not explain how the continents moved
C. Wegener could not explain how the continents moved.
Most earthquakes occur along which type of boundary?
A. convergent
B.Transform
C. divergent
D. rift valley
B. transform
What are mid-ocean ridges on the ocean floor?
A. deep steep-sided canyons
B. a chain or range of mountains
C. volcanic islands
D. flat top seamounts
B. a chain or range of mountains
Which type of boundary pulls apart or divides?
A. convergent
B. transform
C. divergent
C. divergent
Breaks in the Earthś crust are called
A. faults
B. plate boundaries
C. rift valleys
D. volcanoes
A. faults
What type of plate slips past each other?
A. convergent
B. divergent
C. transform
C. transform
The deep ocean trench is a
A. range of mountains
B. guyot
C. canyon
D. volcanic island
C. canyon
What is the process that continually adds new crust at the mid-ocean ridge?
A. subduction
B. seafloor spreading
C. convection currents
D. earthquakes
B. seafloor spreading
The theory that states the Earthś lithospheric plates are in constant slow motion is the theory of
A. continental drift
B. plate tectonics
C. deep-ocean trenches
D. seafloor spreading
B. plate tectonics
Which type of plate boundary collides or come together?
A. divergent
B. transform
C. convergent
C. convergent
Most geologists believe that the movement of Earthś plates are caused by
A. Earthś magnetic field
B. conduction
C. convection currents
D. volcanic eruptions
C. convection currents
What can be formed when two continental plates collide?
A. mid-ocean ridge
B. mountains
C. rift valleys
D. trench
B. mountains
The ring of fire is a ring of volcanoes and earthquakes that occur along
A. hot spots
B. rift valleys
C. the mid-ocean ridge
D. plate boundaries
D. plate boundaries
The mid-ocean ridge occurs along ___ boundaries.
A. divergent
B. convergent
C. transform
A. divergent
What makes up the lithosphere?
A. crust and upper mantle
B. mantle and outer core
C. outer core and inner core
A. crust and upper mantle
Where can the youngest rocks be found on the ocean floor?
A. along the coastline of continents
B. in the tallest mountains
C. at mid-ocean ridges
D. at trenches
C. at mid-ocean ridges
What will determine plate which plate will subduct or stay atop?
A. temperature
B. pressure of the ocean
C. density of the plate
D. type of boundary
C. density
What is subduction?
A. New crust is formed.
B. The dense plate sinks beneath the lighter plate
C. Earthquakes occur along transform boundaries.
D. Volcanoes form.
B. The dense plate sinks beneath another plate.
What is formed at divergent boundaries on land?
A. trench
B. rift valley
C. volcanic island
D. fault
B. rift valley
Which best explains why California has a lot of earthquakes?
A. Californiaś rocks are mainly igneous.
B. California is located on two plate boundaries.
C. Californiaś rocks are soft.
D. California is on a continental plate
B. California is located on two plate boundaries