Show:
Plate Tectonics
Earthquakes
Volcanoes
Vocabulary
Fill in the Blank
100
The person who suggested that all the continents were all connected as one large landmass
What is Alfred Wegener
100
The instrument that measures seismic waves
What is a seismograph
100
An opening in Earth that erupts gases, ash, and lava
What is a volcano
100
The large landmass (super continent) that means "all land"
What is Pangaea
100
A ____ is an opening that magma flows out of
What is a vent
200
The theory that states that Earth's crust and part of the upper mantle are broken into sections
What is plate tectonics
200
The waves that are generated by an earthquake
What is seismic waves
200
An area where Earth's plates are moving apart from each other and new crust is formed
What is Divergent Plate Boundary
200
A steep-walled depression around a volcano's vent
What is crater
200
The _________ is the measure of the energy that is released during an earthquake
What is the magnitude
300
The sections that move on the plastic like layer of the mantle.
What is plates
300
The scale that is based on the height of the lines on a seismogram that does not have an upper limit
What is the Richter Scale
300
Molten rock erupted from a volcano
What is lava?
300
Where oceanic and continental plates collide and the oceanic plate plunges beneath the less dense continental plate
What is subdution
300
When hot rock is forced up towards the cracks where it melts partially to form a _______
What is a hot spot
400
The plastic like layer below the lithosphere
What is asthenosphere
400
The seismic wave that causes the most destruction
What is Surface Waves
400
Type of boundary where most volcanoes are formed
What is convergent boundary?
400
a crack in the earth's crust along which movement occur (e.g. earthquakes)
What is a fault?
400
The ________________ are all in line because the Pacific Plate is moving over a stationary hot spot.
What is the Hawaiian Islands
500
When continental plates pull apart, they can form this.
What is a Rift Valley
500
The point within the Earth where the earthquakes starts
What is the focus?
500
A very broad volcano with gentle slopes.
What is a shield volcano
500
Where two continental plates collide, they push up crust to form mountain ranges
What is Continental Collision
500
____________ are the most destructive waves of the three types of seismic waves.
What are L waves?