Chapter 1Plate Tectonics Key Terms

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Can you name the Chapter 1 Key Terms?

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DefinitionTerm
The part of the core that is solid
How much mass there is in a volume of a substance
Scientist who studied sea-floor spreading (last name only)
True or false: Wegener's hypothesis was immediately accepted.
Convection currents take place in this layer of Earth
Supercontinent that used to exist on Earth
True or false: Heat always moves from a cooler substance to a warmer substance.
Process that continually adds new material to the ocean floor
Type of plate boundary where two plates slip past each other, moving in opposite directions
Break in Earth's crust where rocks have slipped past each other
Heat transfer by the movement of currents within a fluid
The softer layer of the mantle
A section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of the crust
Heat transfer between materials that are touching
Deep valley that forms along a divergent boundary
DefinitionTerm
True or false: Temperature increases as you go deeper ino Earth.
Deep underwater canyons where the ocean floor subducts
True or false: Pressure increases as you go deeper into Earth.
Type of plate boundary where two plates come together
The rigid, uppermost part of the mantle
Outermost layer of Earth
An undersea mountain chain where new ocean floor is produced
Process by which ocean floor sinks beneath a deep-ocean trench and back into the mantle
The transfer of heat through space
Theory that states that pieces of Earth's lithosphere are in slow, constant motion, driven by convection currents in the mantle
Scientist who gathered evidence about continental drift (last name only)
Type of plate boundary where two plates move apart
The part of the core that is liquid
Scientist who developed the theory of plate tectonics (last name only)

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