Plate Tectonics Vocabulary
Continental Drift
Convergent
Boundary
Deep-ocean
trenches
Divergent
Boundary
Faults
Fossil
Mid-Ocean
Ridge
Pangaea
Plate
Plate Tectonics
Rift Valley
Sea-Floor
Spreading
Sonar
Subduction
Transform
Boundary
The hypothesis that the continents slowly move across Earth’s Surface
A plate boundary where two plants move toward each other
A deep valley along the ocean floor which oceanic crust slowly sinks toward the mantle
A plate boundary where two plates move away from each other
A break or crack in Earth’s lithosphere along which the rocks move
The preserved remains or traces of living things
The undersea mountain chain where new ocean floor is produced
The name of the single landmass that broke apart 225 million years ago
A section of the lithosphere that slowly moves over the asthenosphere, carrying pieces
of continental and oceanic crust
The theory that pieces of Earth’s lithosphere are in constant motion , driven by
convection currents in the mantle
A deep valley that forms where two plates move apart
The process by which molten material adds new oceanic crust to the ocean floor
A system that determines the distance of an object under water by recording echoes of
sound waves
The process by which crust sinks back into the mantle
A plate boundary where two plates move past each other in opposite directions
Plate Tectonics Vocabulary
Continental Drift
Convergent Boundary
Deep-ocean trenches
Divergent Boundary
Faults
Fossil
Mid-Ocean Ridge
Pangaea
Plate
Plate Tectonics
Rift Valley
Sea-Floor Spreading
Sonar
Subduction
The hypothesis that the continents slowly move across Earth’s Surface
A plate boundary where two plants move toward each other
A deep valley along the ocean floor which oceanic crust slowly sinks toward the
mantle
A plate boundary where two plates move away from each other
A break or crack in Earth’s lithosphere along which the rocks move
The preserved remains or traces of living things
The undersea mountain chain where new ocean floor is produced
The name of the single landmass that broke apart 225 million years ago
A section of the lithosphere that slowly moves over the asthenosphere, carrying
pieces of continental and oceanic crust
The theory that pieces of Earth’s lithosphere are in constant motion , driven by
convection currents in the mantle
A deep valley that forms where two plates move apart
The process by which molten material adds new oceanic crust to the ocean
floor
A system that determines the distance of an object under water by recording
echoes of sound waves
The process by which crust sinks back into the mantle
Transform Boundary
A plate boundary where two plates move past each other in opposite directions