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Chapter 6 Quiz Lithosphere Name: _____________ 1. What distinguishes a rock from an ore? _____________________________________________________________________. (1) 2. Describe the difference in appearance that an idiochromatic quartz sample would have compared to its allochromatic variant: _____________________________________________________________ _____________________________________________________________ _________________________________________________________. (2) 3. Give 2 characteristics that distinguish minerals from rocks? (1) 1- ________________________________________________________________ 2- ________________________________________________________________ 4. Match the type of rock with the description on the right. (1) Igneous Rocks Metamorphic Rocks Sedimentary Rocks Formed from compacted debris. Formed when magma cools. Formed from already existing rocks. 5. Provide one advantage & one disadvantage of using nuclear energy. (2) Advantage: _________________________________________________________ Disadvantage: ________________________________________________________ Use the Mohs scale above to answer the questions below. (2) 6. I am the softest mineral on the scale shown above. _____________________ 7. I can scratch apatite and orthoclase, but topaz can scratch me. __________________ 8. I am calcite, the hardest mineral that I can scratch is _______________, and the softest mineral that can scratch me is ________________. 9. Name one disadvantage to using fossil fuels as an energy source. _____________________________________________________________________. (1) ___ /10 Chapter 6 Quiz Lithosphere Name: _____________ 1. What distinguishes a rock from an ore? An ore is the raw material that is extracted from the lithosphere. It is a rock containing the sought after mineral. (1) 2. Describe the difference in appearance that an idiochromatic quartz sample would have compared to its allochromatic variant:: The characteristic colour of quarts (tansparent) is due to its chemical composition. Once introduced to impurities such as iron it forms Amethyst. Its allochromatic colour varies from clear to deep purple due to this impurity. (2) 3. Give 2 characteristics that distinguish minerals from rocks? (1) 1- distinct chemical composition 2- organized atomic structure 4. Match the type of rock with the description on the right. (1) Igneous Rocks Metamorphic Rocks Sedimentary Rocks Formed from compacted debris. Formed when magma cools. Formed from already existing rocks. 5. Provide one advantage & one disadvantage of using nuclear energy. (2) Advantage: Clean – no GHGs are made , you need little resource for a lot of energy Disadvantage: risk of nuclear disaster (due to the waste), store the waste safely Use the Mohs scale above to answer the questions below. (2) 6. I am the softest mineral on the scale shown above. Talc 7. I can scratch apatite and orthoclase, but topaz can scratch me. Quartz 8. I am calcite, the hardest mineral that I can scratch is gypsum, and the softest mineral that can scratch me is fluorite. 9. Name one disadvantage to using fossil fuels as an energy source. Non renewable creates GHGs, Hg not as efficient as nuclear (1) ___ /10
