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Science Vocabulary

Vocabulary test for science

TermDefinition
Outer Core A layer of molten metal surrounding the inner core.
Earthquake the shaking and trembling that result from movments of rock beneath Earth's surface.
Fault Breaks in Earth's crust where rocks have slipped past each other.
Seismogram The pattern of lines recorded by a seismograph.
Seismograph An instrument that records and measures an earthquake's seismic waves.
Epicenter The point on the surface directly above the focus is called the epicenter
Focus The area beneath Earth's surface where rock that was under stress begins to break or move.
Seismic waves Vibrations that carry energy released during an earthquake.
Magma Molten material that has not reached the Earth's surface.
Lava Molten material that has reached Earth's surface.
Hot Spots When magma erupts through the crust and reaches the surface.
Divergent boundary Plates that move apart or diverge.
Convergent boundary Plates that come together or converge
Transform boundary Plates that slip past each other in opposite directions.
Plates The earth's lithosphere broken into uneven pieces.
Subduction The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle again
Sea-floor spreading A process where mid-ocean ridges continally add new material to the ocean floor.
Rift Valley Where pieces of Earth's crust diverge on land, a deep valley called forms.
Ring of Fire A major belt of volcano's that surrounds the Pacific Plate.
Mineral A natuarly occuring solid that can form by inorganic prosses has a crystal structure and a definite chemical compisition.
Hardness How you identify a mineral see if it can be scrached by another mineral Can be found out with moh's hardness scale
Luster How light reflects off a mineral
Streak The color of the mineral's powder.
Cleavage Splits along flat surface
Fracture Patterns it makes when it breaks
Created by: StarDivagirl333
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