Inside earth

Question Answer
Oceanic crust The topmost layer,about 500 meters thick includes lava made of base salt.
Continental crust
Lithosphere
Asthenosphere
Mesosphere
Mantle
Outer core
Inner core
The continental crust is the layer of granitic, sedimentary and metamorphic rocks which forms the continents and the areas.
The rigid outer part of the earth, consisting of the crust and upper mantle.
The upper layer of the earths mantle.
The region of the earths atmosphere the stratosphere and below the thermospheer, between about 30 and 50 miles.
Between the core and the crust.
Above the inner core.
Inner most of the core.
Alfred wegner German polar researcher.
Pangea Began to break apart about 175 million years ago.
Mid ocean ridge Mountain range formed by plate tectonics on the ocean floor.
Sea floor spreading Occurs in mid ocean rigids.
Conversation currents A current in a fluid that results from conversions.
Plate boundary Limiting the tectonic plates.
Convergent boundary Also know as a destructive boundary and 2 plates come together.
Divergent boundary Were two plates move apart.
Transform boundary Move horizontal from each other.
Subduction The sideways and downward movement of the edge of a plate of the earths crust.
Theory of plate tectonics That earths outer shell is divided into several places.
Volcano A mountain or Hill, typically conical, haveing a crater or vent through which lava.
Earthquake A sudden and violent shaking of the earth.
Hotspot A small area or region with a relatively hot temperature.

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