Seismic Waves
Layers of Earth
Rock Cycle
Boundaries
Miscellaneous
100
They arrive at seismogram station first.
What are primary waves?
100
This layer is composed of both the crust and the mantle.
What is the lithosphere?
100
This rock forms deep underground.
What is metamorphic rock?
100
This boundary causes mountains and volcanoes.
What is convergent?
100
This chain of volcanoes and earthquakes named the Ring of Fire are located here.
What is the Pacific Ocean?
200
Three recording stations locate an earthquakes_____.
What is the epicenter?
200
This layer is the least dense overall.
What is the crust?
200
This type of igneous rock forms from lava that erupted from Earth's surface.
What is extrusive rock?
200
Continental drift occurs because of this.
What is seafloor spreading?
200
When rocks break because of different forces it causes a
What is a fault.
300
Vibrations that look like jagged lines on paper are recorded on this machine.
What is a seismograph?
300
This layer that is part of the mantle is composed of liquid.
What is the asthenosphere?
300
Erosion plays a role in the formation of this rock.
What is sedimentary rock?
300
The supercontinent that once occupied Earth.
What is Pangaea?
300
On a topographic map, this indicates the same elevation.
What is a contour line.
400
These waves move through Earth and cause particles in rocks to vibrate at right angles to the direction of the wave are called _______.
What is a secondary wave?
400
The core is the most dense layer because of this.
What is pressure?
400
If two continental plates colliding forced one plate down toward the heat of the mantle, it would produce this type of rock.
What is metamorphic?
400
Plates move apart at this boundary.
What is a divergent boundary?
400
This is the look and feel of a rock.
What is texture?
500
Energy that spread outward in all directions as vibrations.
What are seismic waves?
500
Both oceanic and continental make up this layer.
What is the crust?
500
A rock is made up of this.
What is minerals and other materials?
500
The San Andreas Fault is a _____________ fault.
What is a reverse fault?
500
This state experiences a lot of tremors because it is located in the middle of a plate.
What is South Carolina?