Rocks+and+Minerals+Study+Guide

** Study Guide **
 * Rocks & Minerals **

Metamorphic rock forms when heat and pressure are placed on an igneous or sedimentary rock.
 * 1) **What is metamorphic rock?**

A sedimentary rock is formed when there is pressure on bits or layers or rock.
 * 1) ** What is a sedimentary rock? **

An igneous rock is formed when magma (lava) cools and hardens. (fire made)
 * 1) ** What is and igneous rock? **


 * 1) ** Limestone can be changed to __marble__ **


 * 1) ** Shale can be changed to __gneiss__ **

Color Luster Streak Hardness A geologist studies the physical properties or rocks
 * 1) ** List 2 ways scientists can classify rocks. **
 * 1) ** What is a geologist? **

__ Fossils __
 * 1) ** Traces of tiny plants and animals found in sedimentary rocks are called **

Granite Basalt Obsidian
 * 1) ** Name 3 igneous rocks **

Rock Salt Conglomerate Shale Limestone
 * 1) **Name 4 sedimentary rocks**

Marble Gneiss
 * 1) **Name 2 metamorphic rocks**
 * 1) Rocks are made of **Crystals**


 * 1) Rocks are found in the layer of the earth called the **crust.**


 * 1) **Talc** is the softest mineral


 * 1) ** Diamond ** is the hardest mineral


 * 1) List 3 things we use rocks for in our lives? For example: jewelry