German meteorologist who proposed the idea that the continents moved.
Alfred Wegener
100
Type of boundary when plates move apart.
Divergent
100
Mountain with broad, gently sloping sides and a circular base
shield volcano
100
Technology that helped scientists map the ocean floor
sonar and magnetometer
100
747's
Jets
200
Name of the supercontinent.
Pangaea
200
Type of boundary when plates slide past each other.
Transform
200
formed of layers of ash and hardened chunks of lava from violent eruptions alternating layers of lava that oozed downslope.
Composite Volcano
200
rapidly moving clouds of tephra, mixed with hot, suffocating gas
pyroclastic flow
200
rodeo horses
broncos
300
Long cracks where lava flows out of Earth's surface forming flood basalts.
fissures
300
Type of Boundary when plates come together.
Convergent
300
Hawaiian islands are formed from these
Hot spots
300
The study of Earth's magnetic record using data gathered from iron-bearing minerals in rocks that have recorded the orientation of Earth's magnetic field
Paleomagnetism
300
Suitcase Stuffers
Packers
400
A narrow, elongated depression in the seafloor.
Deep Sea Trench
400
Underwater mountain chains that run along Earth's surface like seams are called.
Ocean ridges
400
Erupted material from a volcano is called ______
Tephra
400
Process by which one tectonic plate slips beneath another tectonic plate
subduction
400
Army Insects
Giants
500
This fossil of a seed fern helped support the hypothesis that continents moved.
glossopteris plant
500
These disasters can occur when plates slide past each other.
Earthquakes
500
Magma's resistance to flow
viscosity
500
Describes all the processes associated with the discharge of magma, hot water, and steam