Misc.
The location on the surface above the origin of an earthquake.
What is the epicenter?
the layer of the atmosphere closest to the planet
Troposphere
A type of plate boundary where plates come together.
Convergent Boundary
a type of rock that forms from heat and pressure
metamorphic
The location in the earth where the earthquake originates called?
Focus
The number of seismic stations needed to locate the source of the earthquake.
What is 3?
The gas that is most common in the atmosphere.
Nitrogen
Where do almost all divergent boundaries exist?
Ocean Floor
this kind of rock forms at the bottom of a waterway
sedimentary
This wave does not travel through earth's outer core?
S-waves
Normal and reverse faults form at this kind of plate boundary.
What is convergent?
Which layer in the atmosphere is the warmest?
Thermosphere
Who proposed the theory of plate tectonics?
Alfred Wegner
Cooling lava forms what major type of rock?
Igneous rock
Which earthquake wave is the most damaging?
Surface
A large ocean wave formed by movement in the plates in the ocean.
What is a Tsunami?
This layer absorbs most of the sun's UV light.
Ozone
When a plate in the ocean drops or is forced up during an earthquake, what forms?
Tsunami
Fossils are only found in which kind of rock?
sedimentary
What kind of earthquake wave arrives first?
Primary
The opening in the top of a volcano through which magma flows.
What is the vent?
What happens to the temperature of the air as you go up in the Troposphere?
It decreases.
A location where volcanoes can form that is not near a plate boundary.
Hot Spot
Granite is what kind of rock?
Igneous
What is the name of the machine that records earthquake waves?
seismograph
The layer of the earth just below the crust.
What is the lithosphere?
Atmospheric layer in which meteors are seen.
What is the mesosphere?
Causes the plates to move.
What are convection currents in the mantle?
Formed by heat and pressure.
A fault that is caused when two plates slide past each other.
What is a stike-slip fault?
The intensity of an earthquake.
What is magnitude?
The second most common gas in the atmosphere?
What is oxygen?
Where plates collide, this kind of boundary is formed.
What is a convergent boundary?
Formed when rocks are eroded, settle to the bottom of a waterway and get compressed and cemented together over time.
What is a sedimentary rock?
The theory that the plates of the earth were once all connected together and drifted to their current locations.
What is continental drift?