Science / Chapter 1Plate Tectonics Key Terms

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Can you name the Chapter 1 Key Terms?

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

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