Shared Flashcard Set

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rocks
torppey
29
Science
7th Grade
01/13/2014

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Term
Magma
Definition
Molten rock below the earths surface
Term
Lava
Definition
Molten rock above the surface
Term
Sedimentary
Definition
Compacted/cemented sediment
Term
Metamorphic
Definition
Formed by heat and pressure
Term
igneous
Definition
Cooled magma or lava
Term
Weather
Definition
Rock broken down by water, wind, and ice
Term
Erosion
Definition
Movement of wind and water
Term
detrital
Definition
sed. rocks- make from sediment
Term
Conglomerate
Definition
pebbles
Term
Sandstone
Definition
sand
Term
shale
Definition
clay/mud
Term
Chemical
Definition
sed. rock formed from dissolved minerals
Term
Organic
Definition
sed. rock formed from dead plants
Term
coal
Definition
dead plants
Term
intrusive
Definition
igneous rock formed under ground
Term
extrusive
Definition
igneous rock formed above ground
Term
granite
Definition
intrusive rock with crystals
Term
obsidian
Definition
black glass
Term
basalt
Definition
dark rock
Term
scoria
Definition
bubbles
Term
pumice
Definition
solicited ash
Term
metamorphic
Definition
rocks formed by 1)pressure- overlaying layers
2)heat-magma below
Term
foliated
Definition
metamorphic rock that has layers or bands
Term
nonfoliated
Definition
metamorphic rock that has no layers or bands
Term
slate
Definition
metamorphic rock that has layers or bands that is made from shale
Term
schist
Definition
metamorphic rock that has layers or bands that is mica
Term
gneiss
Definition
metamorphic rock that has layers or bands that is granite
Term
marble
Definition
metamorphic rock that has no layers or bands that is made from limestone
Term
quartzite
Definition
metamorphic rock that has no layers or bands that sandstone
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