Earth's Inside Structure
Boundaries!
Volcanic Act
Earthquakes
Potluck
100
the thinner, denser outer layer of the earth
What is oceanic crust?
100
This type of plate boundary can create a rift valley.
What are divergent continental plates?
100
Volcanic activity is defined as this
What is any time magma reaches the surface of the earth.
100
This logarithmic scale is used to measure the strength of an earthquake.
What is the Richter scale?
100
I theorized that the continents may have been together at one time.
Who is Alfred Wagoner?
200
layer characterized by an asphalt like consistency and convection currents
What is the lower mantle?
200
Volcanic Island Arcs occur at this type of boundary.
What is convergent oceanic plates?
200
Most of the world's volcanic activity occurs in this area around the Pacific Ocean
What is the Ring of Fire?
200
The place on the surface of the earth directly above the origin of an earthquake.
What is the epicenter?
200
My research confirmed that the seafloor is not all the same age
Who is Henry Hess?
300
the crust and upper mantle form this
What is the lithosphere?
300
This type of boundary can create mountains.
What is convergent continental boundaries?
300
A large, slow growing volcano that is not normally explosive.
What is a shield volcano?
300
These are measured to determine the location of an earthquake's epicenter.
What are seismic waves?
300
Mount Saint Helens is this type of volcano
What is a composite cone or strato-volcano?
400
The layer that drives tectonic motion
What is the lower mantle or asthenosphere?
400
A deep ocean trench occurs here.
What is at the convergence of an oceanic and continental plate?
400
These steep sided volcanoes can be large and very explosive.
What is a composite cone or strato-volcano
400
These cracks in the earth take the blame for earthquakes.
What are faults?
400
All the continents bunched together.
What is Pangea
500
The layers of the earth, in order from outside to inside.
What is crust, upper mantle, lower mantle, outer core, and inner core
500
Subduction can occur at these two types of boundaries
What is convergent oceanic plates and convergent continental - oceanic plates?
500
The term for any material ejected during an eruption.
What is pyroclastic material?
500
The printout of seismic activity.
What is a seismogram?
500
The name of your favorite 8th grade science teacher.
Who is Mr. Collins?
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