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Rocks and Minerals Vocabulary Review

Across
forms from the cooling of magma or lava
made of mixtures of minerals and other materials
must be formed by processes in the natural world
the look and feel of a rock’s surface
forms when particles of other rocks or the remains of plants and animals are pressed and cemented together
a series of processes on Earth’s surface and in the crust and mantle that slowly change rocks from one kind to another
Down
forms when an existing rock is changed by heat and pressure
particles of minerals or other rock that make up rocks
a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition
particles of a mineral line up in a pattern and repeats over and over again
cannot form from materials that were once part of a living thing