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Principles of Science (Tectonics (Plate tectonic, Movement of plates…
Principles of Science
Tectonics
Plate tectonic
Movement of plates around the surface of the earth
Caused by convection cells.
Types of plate boundaries
Convergent
Together
Divergent
Apart
Transform
Sideways
Uniformitarianism
The past is the key to the future
Same process happened in the past and will continue to happen
Latitude
Distance N and S of equator
Longitude
Distance E or W of prime meridian
Elevation
Height above sea level
Directions
Way to get between two locations
Can use compass
Ways to study space
Telescopes
Rockets
Satelites
Space shuttels
ISS
Bathymetric
Show elevation
Below sea level
Ways to study the ocean
Echo sounder
Reflections of the sound show where objects are below water
Remote sampling
Water and sediments
Submersible
Topographic
Show elevation
Contour lines
Geologic
Show geologic features including types of rock
Alfred Wegener
Evidence
Same type of fossils on both sides of the oceans.
Continents look like puzzle pieces.
Identical rocks on both sides.
Mountain Ranges
Grooves and rock deposits from glaciers on both sides.
Coral reefs where they don’t belong.
Harry Hess
Seafloor Spreading
Echo Sounding
Mid oceanic ridge
Trenches
Abyssal plains