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NAME: ______ANSWER KEY____________________ Rocks, Rock Cycle, and Weathering Test Study Guide Test Day 9/29 Remember the following questions are to help GUIDE your study efforts. 1. What is a rock? A rock is a naturally occurring solid made up of minerals and other organic material. 2. In order to identify a rock you must know the type of minerals it is made up of. 3. What type of rock forms from… a. magma cooling? Intrusive Igneous Rock b. lava cooling? Extrusive Igneous Rock c. Fragments of other rocks? Sedimentary Rock d. An increase in heat and pressure? Metamorphic Rock 4. Review the rock cycle infographic and rock cycle animation from the powerpoint notes. 5. What must happen to an igneous rock before it turns into a sedimentary rock? It must breakdown into smaller rocks or particles 6. When a metamorphic rock found in the Earth’s interior melts, what material is formed? The material is molten, melted rock called magma 7. Explain how sedimentary rock can transform into metamorphic rock. Sedimentary rock can form metamorphic rock with an increase in heat and pressure. 8. What is weathering? Weathering is the breaking down of rock. 9. What is erosion? Erosion is the movement of weathered rocks. 10. What is deposition? Deposition is the placement of weathered rocks. 11. Where does weathering and erosion take place? a. In Earth’s interior b. On Earth’s surface c. Both inside the Earth and on the surface d. It does not take place on Earth 12. There are two types of weathering, name those two types and give examples. Mechanical (Physical) – abrasion, ice wedging, plant root growth, exfoliation Chemical (reaction) – dissolving and rusting 13. Where is metamorphic rock commonly found? In the earth’s interior 14. Magma is melted, molten rock. 15. Sand and other small particles form sedimentary rock. 16. Weathering of igneous rock causes the rock to breakdown. These particles are referred to as sediments. These particles then compact together and later cement to form sedimentary rock.
