Plate Tectonics
How many plate boundaries are there?
3
What is the idea that continents were once together as one large land mass, and slowly moved apart overtime?
Continental drift
How many different types of volcanoes are there?
three
Which type of seismic wave is the fastest?
P waves
The term for a rock that breaks due to stress, with one part moving one direction, and the other moving another direction.
Fault
What type of boundary involves subduction?
Convergent boundary
Who discovered the continental drift theory?
Wegener
What needs to be present for a volcano to erupt?
Magma
What type of wave is the slowest and most destructive?
L waves
What is a tsunami?
Huge wave caused by displaced water
What type of boundary is at the mid-ocean ridge?
Divergent boundary
Who discovered the theory of sea-floor spreading?
Hess
What determines if a volcano will erupt?
high or low viscosity
What does a seismograph measure (specifically)
an earthquake's power and duration
Identify the 3 types of faults.
Normal Fault
Reverse Fault
Strike fault
Where do volcanoes and earthquakes mostly occur?
at the plate boundaries
In regards to the mid-ocean ridge, where are the oldest rocks located?
Furthest from the ridge
Identify the 3 types of volcanoes.
Shield volcano
Cinder cone volcano
Composite Volcano
The term for the point that an earthquake occurs in Earth's interior, sending out seismic waves.
Focus
What is the main warning sign that a tsunami is coming?
Water retreats into the ocean.
Which 2 plates form the San Andreas fault?
Pacific plate and North American plate
Identify the 4 pieces of evidence that supports continental drift.
fossil correlation
rock/mountain correlation
paleoclimate data
Coastlines of distant continents match
What United States national park is the super volcano located?
Yellowstone
Which waves only travel through solids?
S waves
L waves
What can create a tsunami?
Underground earthquake
Underground volcano
Asteroid hits the ocean
Landslide into the water