Plate Tectonics
Earthquake1
Volcanoes
Vocabulary
Earthquake2
100
The person who suggested that all the continents were all connected as one large landmass
What is Alfred Wegener
100
The instrument that measures seismic waves
What is a seismograph
100
A weak spot in earth's crust where molten material, or magma erupts to the surface
What is a volcano
100
The large landmass that means "all land"
What is Pangaea
100

When the earthquake causes wet soil to act more like a liquid

What is liquefaction

200
The theory that states that Earth's crust and part of the upper mantle are broken into sections
What is plate tectonics
200
The that waves that are generated by an earthquake
What is seismic waves
200
An area where volcanoes rim the Pacific Ocean
What is the Ring of Fire
200
quiet eruptions alternate with explosive eruptions in this tall cone-shaped volcano.
What is a composite volcano
200
Water displaced by an earthquake underwater can cause a giant wave
What is a Tsunami
300
The sections that move on the pliable like layer of the mantle.
What is plates
300
The earthquake scale that is based on the size of the seismic waves
What is the Richter Scale
300
How can a volcano be a positive force in conserving fossil fuels?
What is  Geothermal Energy
300
Where oceanic and continental plates collide and the oceanic plate sinks beneath the less dense continental plate
What is subduction
300
An earthquake that occurs after a larger earthquake in the same area.
What is an aftershock
400

The movement of the plates creates three types of tectonic boundaries: plates move together; plates move apart; and plates slide past each other. Name those boundaries

What is convergent, divergent, and transform,

400
The seismic wave that causes the most destruction
What is Surface Waves
400

When hot rock is forced towards the cracks where it melts partially to form a _______

What is a hot spot
400
When an explosive eruption hurls out a mix of volcanic ash, hot gas, cinders and bombs that rush down the side of the volcano
What is pyroclastic flow
400
What is the only constructive force from earthquakes
What is a fault-block mountain
500
When continental plates pull apart, they can form this.
What is a Rift Valley
500
The first wave that arrives
What is a P wave
500
The compound that is made up of particles of silicon and oxygen and causes an explosive eruption.
What is silica
500
Where two continental plates collide, they push up crust to form mountain ranges
What is convergent boundary
500
Geologist that proposed the theory about seafloor spreading
What is Harry Hess
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