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5thgradesciencechp9

Fifth grade Science Chapter 9

QuestionAnswer
El Nino a periodic change in oceeanic and atmospheric conditions, causig unusually warm surface water
Extrusive igneous rock that cools quickly and has small crystals
Intrusive igneous rock that cools slowly and has large crystals
Coriolis Effect the way Earth's rotation affects wind and ocean currents
lava the magma that reaches the surface of the earth
seamount an undersea volcanic mountain found on the deep ocean basin
upwelling the movement of cold, deep ocean water to the ocean's surface
deep ocean current a stream of water that flows deep beneath the ocean's surface
magma the melted rock forming substance inside the earth's mantle
abyssal plain a large nearly flat region on the ocean floor
subduction the process by which one lithospheric plate is forced under another
polarity the quality of having to opposite poles; one negative and one positive
metamorphic this type of rock is formed as a result of heat and pressure
igneous this type of rock is formed as a result of cooling lava
sedimentary this type of rock is formed when wind and water break down other rock types
igneous examples include granite and basalt
sedimentary examples include sandstone, shale and limestone
metamorphic examples include marble, gneiss, and slate
Plate Tectonics Theory describes how Earth's crust is broken into plates that float on the earth's mantle layer
drought and storms weather conditions caused by El Nino
magnetite a rock containng molecules that alwyas orient themselves toward magnetic north
temperature and salinity factors that affect density of ocean currents
volcanoes and earthquakes can be caused by movement of Earth's plates
transform boundaries that slide side by side
convergent boundaries that push against each other
divergent boundaries that break away from each other
Created by: bartlett
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