Theory of Plate Tectonics
Plate Boundaries
Volcanoes
Earthquakes
RANDOM :)
100
The Theory of Plate Tectonics states that the Earth's crust is broken up into sections called...
What is plates
100
The three types of plate boundaries are....
What is convergent, divergent, and transform
100
Volcanoes occur when magma pushes its way though the Earth's ___________
crust
100
Earthquakes occur mainly at which plate boundary?
What is transform
100
The point on the earth's surface directly above where an earthquake occurs
epicenter
200
The plasticlike layer of the earth is called the....
What is the asthenosphere
200
This type of plate boundary occurs when two plates move apart
What is divergent
200
True or False: Every mountain is a volcano.
What is false
200
Instrument used to measure an earthquake
What is a seismograph
200
Name the famous transform fault in California
What is the San Andreas fault
300
Plates float on the....
What is the asthenosphere
300
Sea Floor Spreading occurs during which plate boundary?
What is divergent
300
This plate boundary accounts for the most volcanoes.
What is convergent
300
Name of one two scales that are used to measure the intensity of an earthquake
What is richter or mercalli
300
What causes Earth's plates to move?
What is convection currents
400
What are the two types of plates?
What is oceanic and continental
400
When a oceanic plate and a continental plate converge, which plate will sink?
What is the oceanic plate
400
When a subducted plate melts, __________ is formed.
What is magma.
400
The first seismic wave of an earthquake
What is P or Primary wave
400
What is the famous ring along the boundary of the pacific ocean that counts for almost all the major volcanoes in the world? Also a famous song.
What is the Ring of Fire
500
Who proposed the Theory of Plate Tectonics?
What is Alfred Wegner
500
When two continental plates converge ___________ form.
What is mountains.
500
Volcanoes that occur in the middle of tectonic plates are called...
What is hot spots
500
Which seismic wave is most destructive?
What is surface wave
500
Which landform is most likely to form when two oceanic plates push together?
What is volcanic islands
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