Name the three main types of rock. A1: Igneous, sedimentary, metamorphic.
Granite is intrusive (cooled inside the Earth); basalt is extrusive (cooled on the surface). Exploring Science 8 Answers 8g
Exploring Science 8 curriculum, Unit focuses on Metals and Their Uses Name the three main types of rock
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Granite forms from magma cooling slowly underground, giving crystals time to grow large. Basalt forms from lava cooling quickly on the surface, leaving no time for large crystal growth.