Show:
Vocabulary
Earthquake Waves
Earths Structure
Continental Drift Hypothesis
Plate tectonics and Boundaries
100
The point within the Earth where the earthquake starts.
What is the focus?
100
Waves that move in the outer layer of the Earth.
What is a surface wave?
100
Zone of the Earth that is made of rock and based on chemical composition.
What is the crust?
100
The big land mass where all continents were connected.
What is Pangaea?
100
A line of volcanoes.
What is a volcanic arc?
200
The study of measuring earthquakes.
What is seismology?
200
Two main types of earthquake waves.
What are surface and body waves?
200
A zone based on physical properties where magma and lava come from.
What is the Asthenosphere?
200
A hypothesis that showed how the continents moved
What are plate tectonics?
200
The boundary where you get offset geological formations.
What is the transform fault boundary?
300
How resistant something is to a liquid.
What is viscosity?
300
The fastest waves through solid material.
What is a P wave?
300
The Earth's magnetic field is caused by the iron here. (physical properties)
What is the outer core?
300
The three types of plate boundaries.
What is a divergent, convergent, and transform fault boundary?
300
Evidence of plate tectonics that proves rocks have magnetic properties.
What is paleomagnetism?
400
When the ground settles following an earthquake, this can possibly occur.
What is an aftershock?
400
Waves that move at right angles to the direction of the energy.
What is an s-wave?
400
Zone based on physical properties where the earthquake happens.
What is the Lithosphere?
400
Causes the plates to move.
What is a convection current?
400
At this boundary plates go apart and magma comes up to fill the space.
What is a divergent boundary?
500
Rocks build up energy, energy is released and a vibration or earthquake occurs. (what people think happens to the Earth during an earthquake)
What is the Elastic Rebound Hypothesis?
500
Waves that can move up and down or side to side.
What is a surface wave?
500
A boundary where there is a change in chemical make-up or composition.
What is Moho Discontinuity?
500
The evidence that proved continents could fit together like pieces of a puzzle.
What is a continental shape?
500
As the plates move hot spots cause this.
What is a line of volcanoes?