The Earth's Crust
Earthquakes
Earth's Interior
Volcanoes
Grab Bag
100
The Former Super-continent
What was Pangea
100
The place on the Earth's surface where an earthquake occurs
What is the epicenter
100
First proposed the idea of sea-floor spreading
Who is Harry Hess
100
Molten rock above ground
What is lava
100
New crust is formed at this type of boundary
What is divergent
200
The type of boundary is found at the Mid Atlantic Ridge?
What is a Divergent Boundary
200
Seismic wave that shakes the ground and causes the majority of earthquake damage
What is an S wave...or Secondary, Surface, Sinusoidal...
200
Its why magma rises and becomes lava
What is differences in densities between the magma and the surrounding rock
200
Type of large volcano that sometimes erupts violently and explosively
What is composite volcano
200
The fastest of the seismic waves
What are P waves
300
Scientist who proposed continental drift
Who is Alfred Wegener
300
Areas on the Earth's surface where no seismic data is recorded
What is a shadow zone
300
The Earth's core is made up of this...
What is iron and nickel
300
Hot spot volcanoes are usually this type
What is shield volcano
300
Mr Richards Blood Type
What is O+
400
What forms when an oceanic plate collides with a continental plate at a convergent boundary?
What is a subduction zone
400
Highly subjective scale for determining the size of and earthquake
What is the Mercalli scale
400
The driving force behind all tectonic activity
What is convection currents in the mantle
400
The resistance to flowing
What is viscosity
400
What type of volcano is Mt St Helens?
What is composite
500
The driving force behind all tectonic plate movement
What is convection currents in the mantle
500
On the Richter Scale, how much more powerful is a 7.0 quake compared to a 3.0 quake
What is 10,000 times
500
A boundary that indicates a change in density
What is a discontinuity
500
"Thicker" Rhyolite lava has a greater concentration of what?
What is silica
500
Boundary where plates slide past one another
What is transform
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