Earth Layers
Plate Tectonics
Seafloor Features
Random
100
This earth layer is the hottest layer and a solid metal ball - what is it?
Inner Core
100
Name 3 things that can form from a convergent plate boundary.
Mountains, volcanoes, trenches, island, earthquakes
100
This is the shallow part of the ocean floor that begins at the shoreline and gently slopes underwater.
Continental shelf
100
What was the super continent called?
Pangea
200
The rigid part of the Earth including the crust and the upper mantle (makes up the plates of the Earth)
Lithosphere
200
The mid-ocean ridge is an example of a ____________________ boundary and ___________________ occurs here where new ocean floor is formed.
Divergent boundary; sea-floor spreading
200
This is the flat area of the ocean floor.
Abyssal plain
200
What plate boundary is pictured below?
Convergent Boundary
300
Plates float on top of the _______________________.
asthenosphere
300
This is the mechanism (what causes) the plates to move
Convection currents in the mantle - caused by temperature differences
300
Which feature is found at letter B?
Seamount
300
Which plate boundary is pictured below?
Transform boundary
400
What are the two types of crust?
Continental crust & Oceanic crust
400
What are 3 pieces of evidence that supports that all the continents were once together forming Pangea?
Similar coast lines, fossils, similar rocks, mountain chains, climate evidence (glacial receding/movement)
400
Geysers on the ocean floor that release superheated, mineral-rich water into the deep sea
Hydrothermal vents
400
Which plate has the Ring of Fire surrounding it?
Pacific Plate
500
List the earth layers in order of how thick they are. Starting with thickest to thinnest.
Mantle, Outer Core, Inner Core, Crust
500
What is the area in which the denser portion of the earth’s crust moves downward into the mantle?
Subduction Zone (type of convergent boundary)
500
Which feature is found at letter A?
Continental Slope
500
Which ocean feature is being created at letter C?
Ocean trench