Continental Drift
Plate Boundaries
Volcanoes
Earthquakes
Random
100
What is the name of the man who first seriously proposed the idea that the continents were moving?
Alfred Wegener
100
What are the three types of plate boundaries?
Divergent, Convergent, & Transform
100
Most volcanoes occur at what type of plate boundary?
Convergent
100
_________ is the measurement of the amount of energy released during an earthquake.
Magnitude
100
Most of Earth's surface is _______ sea level.
above
200
The existence of coal beds in Antarctica indicates that the continent was once located near ______.
The Equator
200
A deep-sea trench is form at what plate boundary phenomena?
Subduction
200
The hotter the magma/lava, the ______ is its viscosity.
lower
200
Which earthquake scale measures the amount of damage done to the structures involved?
The modified Mercalli Scale
200
What type of magma fuels the intermediate volcanic eruptions?
Andesitic magma
300
How does the magnetic pattern of ocean-floor rocks on one side of an ocean ridge compare with the other side?
Mirrored
300
The driving forces of tectonic plates are related to convection currents in Earth's ________.
Mantle
300
If oceanic crust subducts beneath oceanic crust, what type of landform is created?
Volcanic Island Arc
300
Which type of earthquake wave can pass through the Earth's core and are refracted by it as it does so?
Primary Waves
300
The rate and direction of plate motion can be calculated from the positions of volcanoes formed by what?
Hot spots
400
Isochron maps of the seafloor tell us that the youngest part of the sea floor is ___________.
At/Near the ocean ridge
400
If two ___________ plates converge, a subduction zone forms.
Oceanic
400
Name the three landscape features associated with volcanoes?
Vents, Craters, and Calderas
400
The locations of seismic belts are determined by plotting _______.
Earthquake Epicenters
400
What is the process called that forms all mountain belts?
Orogeny
500
What is the name of the fern that helped support Wegener's hypothesis of continental drift?
Glossopteris
500
A _____ region of a mantle convection current could suck an oceanic plate downward into a subduction zone.
Sinking
500
If a volcano's magma contains high amounts of silica, water, and gases, then it is likely to be which type of volcano?
Composite
500
What two pieces of information are needed to determine the epicenter of an earthquake using at least three seismic stations?
The arrival time of both the P-wave and the S-wave
500
The displacement of the mantle by Earth’s continental and oceanic crust is called ________.
Isostasy
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