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Geology
Study Guide
| Question | Answer |
|---|---|
| Name the three types of rocks | Igneous, Sedimentary and Metamorphic |
| Explain the path that a rock would take from igneous to sedimentary | It would erode (deposit, compact, cement) |
| Intrusive igneous rocks have ________ sized crystals | Large |
| Name the two types of metamorphic rocks | Foliated and Non-Foliated |
| Name the two types of igneous rocks | Instrusive and Extrusive |
| Name the three types of sedimentary rocks | Clastic, Organic and Chemical |
| Describe how an igneous rock forms | From cooled molten rock |
| Describe how a metamorphic rock forms | Heat and Pressure |
| Describe how a sedimentary rock forms | Sediments are compacted and cemented |
| Explain the difference between lava and magma | Magma is molten rock inside the earth; Lava erupts from a volcano |
| Describe an extrusive igneous rock | small to no crystals; holes; glassy |
| What is foliated? | A metamorphic rock that is bent in layers |
| How are rocks classified? | By how they are formed |
| Where do intrusive igneous rocks form? | Deep underground |
| How would a sedimentary rock become metamorphic? | Heat and Pressure |
| How would an igneous rock become metamorphic? | Heat and Pressure |
| What are 3 ways that rocks are eroded? | Wind, moving water and ice |
| Rocks are made of.... | Minerals |
| A rock's texture describes its | Grains |
| The texture of a rock with big crystals is called | Course-Grained |