It refers to the long chains of mountains located on the ocean floor where seafloor spreading takes place.
Mid-oceanic ridge
Fossil plant whose remains were found in Africa, South America, Antarctica, India, and Australia.
Glossopteris
The place where oceanic crust sinks back into the mantle, balancing the creation of new crust.
Subduction zone
What do you call to the location where two plates meet?
Plate Boundaries
Which is largest among the 7 major plates of the world?
Pacific Plate
What are the two smaller supercontinents that formed when Pangaea began breaking apart?
Laurasia and Gondwana
Which waves can travel through solid part of the earth only?
S-wave
Who proposed the Continental Drift Theory in 1912?
Alfred Wegener
What do you call to the soft, weak upper portion of the mantle?
Asthenosphere
What geologic event is most likely to happen in the transform fault boundary?
Earthquake
What do we call to thee ocean that surrounded Pangaea?
Panthalassa
The type of stress that pulls rock apart, common at divergent boundaries.
Tensional Stress
What do you call to the point on the earth's surface vertically above the hypocenter (or focus)
Epicenter
What type of rock forms the oceanic crust?
Basalt
Which type of wave travels fastest to reach the recording station?
P-wave
Where are volcanoes located?
Boundaries between tectonic plates
Which type of crust is less dense?
Continental Crust
How many recording stations are needed in triangulation method?
3
What do you call to the instruments used to record the motion of the ground during an earthquake?
Seismograph
The type of plate boundary associated with seafloor spreading.
Divergent Plate Boundary
It measures the strength of shaking produced by the earthquake at a certain location and is determined from effects on people, human structures, and the natural environment.
Intensity
Which layer of the Earth is responsible for the Earth's magnetic field?
Outer Core
What are the 5 layers of the Earth according to the mechanical properties