summative test Flashcards
How many major lithospheric plates are there?
7
What geological feature is typically found at transform boundaries?
Faults
What type of plate boundary is characterized by plates moving away from each other?
Divergent
What is the term for a boundary where an oceanic plate is forced under a continental plate?
Subduction zone
Which layer of Earth is composed of the crust and the uppermost part of the mantle?
Lithosphere
What is the primary driving force behind the movement of tectonic plates?
Convection currents in the mantle
What is the name of the Mesozoic supercontinent that consisted of all the present continents?
Pangaea
Who is the German scientist who propsed of the continental drift theory?
Alfred Wegener
Which of the following is a primary cause of an earthquake?
Faulting
What type of boundary is characterized by plates sliding past one another horizontally?
Transform
Seismic waves are vibrations generated by earthquakes. Which type of seismic wave travels through the earth’s surface?
Surface waves
Which of the following is NOT a consequence of plate tectonic activity?
A. Erosion
B. Earthquakes
C. Volcanic eruptions
D. Mountain formation
A.
Which of the following molten materials are composed of magma?
A. sand
B. rocks
C. metals
D. granite
rocks
How does plate tectonic theory explain the distribution of earthquakes around the world?
Earthquakes are concentrated along plate boundaries where plates interact.
Which of the following statements are true about the theories of continental drift and plate tectonics?
I. The continents continue to move even today.
II. Plate tectonics is a refinement of continental drift theory
III. Tectonic activities are confined to continental boundaries
IV. The movement of continents is caused by the constant shifting and sliding of tectonic
I, II, and IV.
