Rocks and Minerals
Science Textbook
1. rock- a hard substance made of minerals
2. mineral- a hard substance that is made of crystals and occurs naturally
3. sedimentary rock- a rock made from sediments of other rocks
4. metamorphic rock- a rock changed from another type of rock by heat and pressure
5. igneous rock- a rock formed when melted rock cools and hardens
6. weathering- the breaking down of rocks by wind, water, or ice
7. erosion- the moving of sediments from place to place
8. rock cycle- the process of rocks changing from one type to another
*Quiz to be taken on Friday, January 9th.
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