| Plate Tectonics | Earthquake | Earthquake II | Volcano | Volcano II |
| 10 | 10 | 10 | 10 | 10 |
| 20 | 20 | 20 | 20 | 20 |
| 30 | 30 | 30 | 30 | 30 |
| 40 | 40 | 40 | 40 | 40 |
| 50 | 50 | 50 | 50 | 50 |
| Final Question | ||||
Region where plates with different densities collide and the denser plate sinks under the less dense plate
Region where plates with different densities collide and the denser plate sinks under the less dense plate
What is a Subduction Zone?
Mesosaurus fossils were found in South America and _________
Mesosaurus fossils were found in South America and _________
Africa
The driving force behind plate movements
The driving force behind plate movements
What are Convection Currents?
Magnetic field _________ are found on each side of mid-ocean ridges
Magnetic field _________ are found on each side of mid-ocean ridges
reversals
Earth's crust and part of the upper mantle are broken into sections
Earth's crust and part of the upper mantle are broken into sections
what are plates?
The San Andreas Fault in California is this type of plate boundary
The San Andreas Fault in California is this type of plate boundary
What is a transform boundary?
At what location does the first motion of an earthquake occur
At what location does the first motion of an earthquake occur
the focus
A foreshock is
A foreshock is
a small earthquake
wave that can only travel through solids
wave that can only travel through solids
Secondary Wave (S Wave)
The sudden return of elastically deformed rock to its undeformed shape
The sudden return of elastically deformed rock to its undeformed shape
Elastic Rebound
an instrument that records ground vibrations
an instrument that records ground vibrations
Seismograph
A magnitude scale that measures ground motion
A magnitude scale that measures ground motion
Richter Scale
The point on Earth's surface directly above the earthquakes focus
The point on Earth's surface directly above the earthquakes focus
Epicenter
An area where no direct seismic waves from a particular earthquake can be detected
An area where no direct seismic waves from a particular earthquake can be detected
shadow zone
The composition of Earth's Interior affects waves how?
The composition of Earth's Interior affects waves how?
The speed and direction of seismic waves
any activity that includes the movement of magma toward or onto Earth's surface
any activity that includes the movement of magma toward or onto Earth's surface
Volcanism
fragments of rock that form during a volcanic eruption
fragments of rock that form during a volcanic eruption
Pyroclastic Material
Volcanic Eruptions may be signaled by
Volcanic Eruptions may be signaled by
A change in earthquake activity
portion of earth's surface that is far from plate boundaries and experiences volcanism due to a rising mantle plume
portion of earth's surface that is far from plate boundaries and experiences volcanism due to a rising mantle plume
Hot Spot
Name four classifications of pyroclastic material
Name four classifications of pyroclastic material
volcanic dust, volcanic ash, volcanic bombs, volcanic blocks, lapilli
Viscosity
Viscosity
resistance to flow
Which of the following is NOT a tectonic setting where volcanoes form? A) boundaries of tectonic plates B) glacier-formed crater lakes C) mid-ocean ridges D) subduction zones
Which of the following is NOT a tectonic setting where volcanoes form? A) boundaries of tectonic plates B) glacier-formed crater lakes C) mid-ocean ridges D) subduction zones
glacier-formed crater lakes
A large depression formed by the collapse of a volcanic cone
A large depression formed by the collapse of a volcanic cone
Caldera
Pillow lava forms where
Pillow lava forms where
on a mid-ocean ridge
quiet eruptions have what type of magma
quiet eruptions have what type of magma
mafic magma
What island is cut by a fissure breaking it into two parts
What island is cut by a fissure breaking it into two parts
Iceland
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