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Socials g9 - rocks

rocks stack 2

QuestionAnswer
what are the 2 ways that igneous rocks form? Igneous rocks are formed when molten rock cools and solidifies and intrusive igneous rocks form when magma cools and solidifies in the earths surface.
Give an example of intrusive igneous rock? Granite.
How is volcanic igneous rock formed? It is formed when lava cools and solidifies quickly when erupted into the earths surface.
Give three examples of volcanic igneous rock? obsidian, Basalt and pumice.
Give the 4 characteristics of igneous rock. crystals, visible minerals, resistant to erosion and interlocking crystalline structure.
Created by: montykfb
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