JLKP+5.1

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**Vocabulary**
1. **texture**--the look or feel of the surface of a rock 2. **grain**--the tiny particles that make up a rock 3. **igneous rock**--a rock formed by the cooling of molten rock, or magma 4. **sedimentary rock**--a rock formed when particles of other rocks or remains of plants and animals are compressed 5. **metamorphic rock**--a rock that is formed when an existing rock is changed by heat, pressure, or chemical reaction