Show:
Earth's Layers
Earthquakes
Volcanoes
Plates
Boundaries
100
Thin outer most layer of the earth.
What is the crust?
100
The initial slippage during an earthquake.
What is the focus?
100
Lava that is light in color and contains a high silica content
What is Rhyolite?
100
Happens in the mantle causes the movement of the plates.
What are convection currents?
100
At a divergent boundary.
What is new crust is created.
200
Location of the asthenosphere
What is the mantle?
200
Seismic wave that travels the fastest and has a push-pull motion.
What is the p- wave (primary wave)?
200
Calm eruptions and thin lava flow.
What is a shield cone volcano?
200
Where the youngest part of the ocean floor is found.
What are ocean ridges?
200
Created when one plate slides under another plate at a convergent boundary.
What are subduction zones?
300
The earths crust and upper mantle.
What is the lithosphere?
300
The waves most often felt during an earthquake.
What are surface waves?
300
Opening in the crater of the volcano.
What is the vent?
300
The scientific theory that describes the large-scale motions of Earth's lithosphere.
What is the Theory of Plate Tectonics?
300
Forms mountain ranges
What is continental - continental plate boundary collision
400
Two metals that make up the Earth's core.
What is nickel and iron?
400
number of sensor stations needed to determine an earthquake's epicenter.
What is 3?
400
Lava that is the most viscus and violent.
What is Rhyolitic lava?
400
Causes plate movement.
What is mantle convection.
400
Formed when there is an oceanic-oceanic plate convergence.
What is are island arcs?
500
Where the youngest part of the ocean floor is found
What are midocean ridges?
500
Instrument used to study earthquakes.
What is a seismograph?
500
Partially emptied and collapsed magma chamber.
What is caldera?
500
Originally proposed the Theory of Continental Drift.
Who is Wegener?
500
The area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean.
What is the Ring of Fire?