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10 Cards in this Set
- Front
- Back
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Radiation
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The direct transfer of energy through space by electromagnetic waves.
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Conduction
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The direct transfer of heat between two substances that are touching.
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Convection
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The transfer of heat by the movement of a fluid.
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continental drift
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The hypothesis that the continents slowly move across the Earth's surface.
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Pangaea
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Landmass that broke apart 200 million years ago and gave rise to todays continents.
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Fossil
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A trace of an ancient organism that has been preserved in rock.
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Mid-Ocean Ridge
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An undersea mountain chain where new ocean floor is produced.
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Sonar
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Device to determine the distance of an object under water by recording echoes of sound waves.
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Sea-Floor Spreading
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The process by which molten material adds new oceanic crust to the ocean floor.
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deep ocean trench
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A deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle.
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