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ch4 study guide

ROCKS!

QuestionAnswer
small particles that make up all rocks are called grains
how a rocks surface looks and feels is its texture
rocks that form when magma or lava cools are igneous rocks
which kind of rock forms when heat and pressure change a rock metamorphic rock
basalt is an example of extrusive rock
granite is a light colored rock because it is made up mostly of silica
a rock that is used for cleaning and polishing is pumice
which kind of sedimentary rock do coral reef form limestone
the process in which sediments are glued together is called cementation
metamorphic rocks with their grains lined up in layers are called foliated rocks
mixtures of minerals and other materials are rocks
sedimentary rocks that form from the remains of living things are organic rocks
the squeezing of layers of sediment is called compaction
a metamorphic rock used for statues is marble
the texture of an igneous rock depends on the size and shape of the rocks crystals
about 20 minerals make up most of the rocks in Earths crust true
granite is the most common extrusive rock false
particles that make up sedimentary rockare called sediments true
coral animals can live on land or in water false
melting is the process that turns rocks into sediment false
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