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Plate Tectonics 1

QuestionAnswer
What are energy vibrations that travel through the earth after an earthquake called? seismic waves
A force pressing on an area. pressure
A layer of inner earth that is very hot but solid. mantle
The combined layers of the mantel and crust which forms the uppermost rigid layer. lithosphere
The part of the mantle that is soft and bendable like plastic. asthenosphere
The layer of molten metal that surrounds the inner core. outer core
A dense ball of solid metal. inner core
The transfer of energy through space. radiation
Heat transfer between materials through touching. conduction
Heat transferred by movement of fluides. convection
The measure of mass within a substance volume. density
A flow that transfers heat within a fluid. convection current
The slow movement of the continents over the earth surface. continental drift
The name of the supercontinent over 300 million years ago. Pangaea
Any trace of an organism that has been preserved in rocks. fossil
A devise used for mapping the oceans bottom through the bouncing of sound waves. sonar
The process of continually adding materials to the sea-floor. sea-floor spreading
The process by which the ocean floor slides under and back into the mantle. subduction
A well-tested concept that explains an observation. scientific theory
The theory that states the Earth's lithosphere is in a stage of slow and constant movement. plate tectonics
Breaks in the Earth's crust where rocks slip past each other. faults
The place were two plates move appart or diverge. divergent boundary
A deep valley that forms along a divergent boundary. rift valley
A place where two plates come together or converge. convergent boundary
A place where two plates slip past each other. transform boundary
Created by: lawalker
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