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Continental Drift and Seal Floor Spreading
Continental Drift and Seal Floor Spreading
9
Science
9th Grade
02/20/2012

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Cards

Term
Who thought that the continents were slowly moving
Definition
Alfred Wegner
Term
One very large continent was called
Definition
Pangaea
Term
Evidence of Pangaea
Definition
Fossil Evidence: Mesosaurus
Geologic Features: Mountain Chains
Climatic Patterns: Evident in coal seams and limestone
Term
Harry Hess studied the
Definition
Mid-Atlantic Ridge
Term
Paleomagnetism was recorded when
Definition
the earth's magnetic field flipped
Term
Harry Hess thought that the sea floor was
Definition
spreading, and pushing the continents apart.
Term
Plate Tectonics is the combination of
Definition
Sea floor spreading and continental shift
Term
what are the two types of plates
Definition
Continental (C) and Oceanic (O)
Term
Where plates meet are called
Definition
plate boundaries
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