Plate Boundaries
The area where 2 plates are separating is known as?
What is a divergent boundary.
A theory stating that the earth's surface is broken into plates that move.
What is Plate Tectonics.
Earth's lithosphere is divided into...
What is plates.
The place on the surface of Earth where the earthquake starts is called...
What is the epicenter.
Which type of volcano has the LEAST explosive eruptions?
What is a shield volcano
At a convergent boundary, two lithospheric plates ___ ?
What is collide.
The process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary.
What is subduction
What was Alfred Wegener's theory?
What is the theory of Continental Drift.
The starting point of an earthquake below ground is called a...
What is a focus.
What kind of volcano is commonly found on the flanks of a shield volcano?
What is a Cinder Cone volcano.
Sometimes plates will slide past each other, what is this boundary called?
What is a transform boundary
A current caused by the rising of heated fluid and sinking of cooled fluid
What is a convection current.
What could occur if two oceanic plates moved away from each other?
What is seafloor spreading.
Earthquakes are measured primarily by the amount of energy released. The current scale that is used to measure earthquakes is called...
What is the Richter Scale.
Very large, cone shaped volcanoes are called...
What is a Composite volcano
The collision of two continental plates can produce a...
What is a mountain range.
A break in the Earth's crust is called
What is a fault.
Scientists believe that plate movement is caused by?
What is convection currents.
What are the three types of faults?
What is normal, reverse, and strike-slip faults
When scientists believe that a volcano will never erupt again, it is considered....
What 2 types of evidence were used by Alfred Wegener to support his continental drift hypothesis?
The continents looked like puzzle pieces and fossil evidence.
A rigid layer made up of the uppermost part of the mantle and the crust.
What is the lithosphere.
Johnny states that trenches are formed at convergent boundaries, but Alyssa says he is not correct. Where do trenches form?
What is a subduction zone.
What are the three types of seismic waves?
What are the names of the three types of Volcanoes?
What is a Shield, Composite, and Cinder Cone volcano.