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Chapter 4: Lesson 1 Rocks

Across
Molten or liquid rock material that is deep beneath Earth’s surface
A natural, solid mixture of minerals or grains
Can form when water evaporates and minerals crystallize
Forms when magma or lava cools and crystalizes
Small pieces of rock material
Down
Molten rock that erupts onto Earth’s surface
Series of processes that change one type of rock into another type of rock
Are formed when existing rocks are changed by extreme temperature, pressure, or fluids.
Any type of particle/fragmenting a rock
The grain size and the way grains fit together in a rock is called