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Earth and The Seafloor

Name: ______________________________
Due at the end of class - NO EXCEPTIONS!
Horizontales
The type of crust which is thicker but less dense
The process that caused the oceans to become salty over time
The more correct and updated theory which describes geological processes.
The steepest part of the continental margin
The universe was created during a giant explosion called the ______
Areas where mantle plumes come to the surface
The name of the largest ocean
The process that creates the Mid-Ocean Ridge
61% of the ____ hemisphere is covered with water.
Means below
The process that formed clouds in the atmosphere
The smallest and shallowest ocean
The process in which oceanic crust is pushed under continental crust
Inside the mantle, _____ currents move due to temperature differences
The type of crust which is thinner but denser
The continental _____ is the boundary between oceanic and continental crust
Verticales
Plate boundaries ______ always line up with continental boundaries
The chemical reactions which support life at the hydrothermal vents
The physical property that caused the Earth to form layers
Sections of hot molten rock that arise from deep within the mantle
The name of the giant ocean that existed 200 million years ago
An underwater volcano
The largest geological feature on our planet
The _____ islands were created over a mantle plume
The type of technology used to measure ocean depths
Alfred Wegener discovered ____ of similar organisms had been found on different continents.
The type of plate boundary in which plates come together
The process that formed the Earth's atmosphere
Over time, the ____ poles of the Earth have reversed
An extinct, eroded underwater volcano
Means saltwater
Of the Hawaiian Islands, the ____ island is found furthest from the mantle plume
The name of the giant landmass that existed 200 million years ago