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31 Cards in this Set
- Front
- Back
Igneous, coarse-grained rocks are called _____ igneous rocks.
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intrusive
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Rocks that were once molten are ____ rocks.
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igneous
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The location of "In"trusive igneous rock's birthplace is.... (where)
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"in" side the earth
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Rocks made from little pieces of other rocks are______ rocks.
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sedimentary
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Molten rock underground is called ....
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magma
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Rocks that have been changed by pressure, heat over lots of time are _____ rocks
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metamorphic
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Molten rock on the earth's surface is called ....
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lava
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Quartz sand turning into sandstone is igneous rock turning into ______ rock.
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sedimentary
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The slower magma cools, the _____ the crystals will be.
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larger
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Magma becomes an _____ igneous rock because it's underground, and thus cools slowly.
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intrusive
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Which one is metamorphic?
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Gneiss is metamorphic and on the right.
Granite is the parent & is igneous, & on the left. |
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Rocks from pieces of other rock or soil are c_____ sedimentary rocks
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clastic
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Rocks made by evaporation of water are called c_____ sedimentary rocks
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chemical
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Rocks (like coal) made from remains of organisms are called b_____ sedimentary rocks.
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biochemical
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Metamorphic rocks, like gneiss or mica schist, that have layering are said to be f_________, which is a fancy word for layering.
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foliated
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Unlayered metamorphic rocks, like quartzite and marble, are said to be ____.
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nonfoliated
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When old rocks melt down, they become ____ rocks again.
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igneous
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Rocks that have undergone change from heat and pressure are ____ rocks.
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metamorphic
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Rocks that have ripple marks, fossils, or made of many layers of piled-up material are ____ rocks.
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sedimentary
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Our Appalachian Mountains are very old and became folded when Africa and North America collided. The rocks we have are mostly of what type?
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metamorphic
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A conglomerate, made of shells or pebbles & sand, is a ___ rock
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sedimentary
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Sandstone and siltstone are clastic ____ rocks made from ___ and ____, respectively
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sedimentary
sand silt |
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Limestone (chalk) and halite (rock salt) are chemical sedimentary rocks made by ___ of ____.
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evaporation
water |
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Rock that was once lava or magma is ____ rock.
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igneous
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Bituminous coal that undergoes metamorphism turns into ______ coal, which is much harder and won't write on paper easily.
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anthracite coal
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The change from one rock type to another is part of the ___ cycle
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rock
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Mica, the mineral, metamorphoses to form the rock mica s_______.
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schist
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Quartz, the mineral, metamorphoses to form the rock, of a similar name, q______.
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quartzite
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A typical rock that is organic (made from plants or animals) is ....
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coal
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Sedimentary rocks that are made of pieces of other rock pieces are called c____ s____ rocks.
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clastic sedimentary
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The process by which clastic sedimentary rocks form is by c___ & c____.
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compaction
cementation |