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Name_________________________ Date___________ Science Study Guide Unit C Chap. 2 Directions: Fill out the questions, and then use this to study for your test on Friday. 1. Halite is another name for what? 2. How is a rock different from a mineral? 3. Why aren’t you likely to find a fossil in an igneous or metamorphic rock? 4. What are the three ways that scientists classify minerals? Moh’s Hardness Scale 1 is softest. 10 is hardest. 1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 5. Which of the following minerals is the hardest? 6. Which of the following minerals can Apatite scratch? 7. Which of the following minerals can scratch Quartz? 8. Define these vocabulary words: Igneous Rock Sedimentary Rock Hardness Mineral Metamorphic Rock 7 Quartz 8 Topaz Rock Rock Cycle Luster Streak 7. You find a rock with pieces of seashell in it. Which kind of rock is it? 8. Why is a piece of Pumice lighter than a piece of Obsidian of equal size? 9. What are the three types of rocks? 10. Name six ways people use minerals. 9 Corundum 10 Diamond