Science Quiz / Chapter 1Plate Tectonics Key Terms

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