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Vocabulary
Vocabulary 2
Vocabulary 3
Vocabulary 4
True or False
100
Earth's solid, rocky surface containing the continents and ocean floor
What is crust
100
The layer beneath Earth's crust
What is mantle
100
Shaking of Earth's crust, after the initial shaking of an earthquake
What is aftershock
100
Magma that reaches Earth's surface and flows out of a vent.
What is lava
100
Primary waves are the first set of waves produced at the beginning of an Earthquake
What is false... seismic waves
200
The idea that a supercontinent split apart into pieces, the continents, which drifted in time to their present locations.
What is continental drift
200
The sliding of a denser ocean plate under another plate when they collide
What is subduction
200
A sensitive device that detects the shaking of Earth's crust during an earthquake
What is seismograph
200
A cuplike hollow that forms at the top of a volcano around the vent.
What is crater
200
Huge ocean waves are called Tsunamis
What is true
300
The idea that new crust is forming at ridges in the sea floor, spreading apart the crust on either side of the ridges.
What is sea floor spreading
300
A huge crack in Earth's crust at or below the surface, the sides of which may show evidence of motions.
What is fault
300
A huge crack in Earth's crust at or below the surface, the sides of which may show evidence of motions.
What is fault
300
A con formed from explosive eruptions of hot rocks followed by a flow of lava, over and over
What is composite volcano
300
A Mercalli scale is used for comparing the energy of earthquakes
What is false... Richtner
400
Hot, molten rock below Earth's surface
What is magma
400
A vibration that spreads out away from the focus when an earthquake happens
What is seismic wave
400
The amount of energy released by an earthquake
What is magnitude
400
A steep-sided cone that forms from explosive eruptions of hot rocks, ranging from particles to boulders.
What is cinder-cone volcano
400
The Richter scale is used to describe earthquakes
What is false... Mercalli
500
The idea that Earth's surface is broken into plates that slide slowly across the mantle.
What is plate tectonics
500
The point on Earth's surface directly above the focus of an earthquake
What is an epicenter
500
The central opening in a volcanic area through which magma may escape.
What is vent
500
A wide, gently sloped cone that forms from flows of lava
What is shield volcano
500
Convergent boundaries are where the plates pull apart.
What is false divergent boundaries