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science study rocks


a ___ is a natural solid made of one or more minerals rocks
all rocks have what in common all have minerals
you might think of most rocks as ____ ____ mineral mixtures
rocks are classified into one of 3 groups depending on how they form
rocks that forms when melted rock cools and hardens is called igneous rocks
where can igneous rocks form? under ground of on earths surface
why do igneous rocks that form underground have large crystals? they cool slowly which gives them more time to grow
why do igneous rocks that form above ground have small or no crystals they cool slowly which gives them less time to grow
what are two differences among igneous rocks? 1) different amounts or kinds of minerals 2) size of mineral crystal
true/false: all melted rock beneath Earth's surface is the same false
list 6 examples of igneous rocks rhyolit granite basalt gabbro pumice obsidian
which igneous rock is the most common type of igneous rock? basalt
Created by: auguste99