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Regents Review#10: Rocks and Minerals 5/30/13 8:55 AM 1. The diagram represents a scheme for classifying rocks. The letter A, B, C and X, Y, Z represent missing labels. Figure 1 If the rock in circle C formed from limestone, it would be called 1. schist 3. marble 2. anthracite coal 4. quartzite -------------- 2. [Refer to figure 1] Dolostone and granite are similar because both are 1. monomineralic 3. foliated 2. clastic 4. crystalline -------------- http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 1 of 12 Regents Review#10: Rocks and Minerals 5/30/13 8:55 AM 3. [Refer to figure 1] Which rocks could be represented by the circles X, Y, and Z? 1. 2. 3. 4. sandstone, conglomerate, and siltstone bituminous coal, slate, and schist anthracite coal, metaconglomerate, and rock salt brecchia, gneiss, and rhyolite -------------- 4. Which relative concentrations of elements are found in felsic rock? 1. 2. 3. 4. a high concentration of aluminum and a low concentration of iron a high concentration of iron and a low concentration of aluminum a high concentration of magnesium and a low concentration of iron a high concentration of magnesium and a low concentrate of aluminum -------------- 5. The diagrams below represent four rock samples. Which rock was formed by rapid cooling in a volcanic lava flow? [The diagrams are not to scale.] 1. 3. 2. 4. -------------- http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 2 of 12 Regents Review#10: Rocks and Minerals 6. 5/30/13 8:55 AM 8. The photograph below shows a piece of halite that has been recently broken. Figure 2 Which physical property of halite is demonstrated by this pattern of breakage? 1. hardness 3. cleavage 2. streak 4. luster -------------- 7. Which process could lead directly to the formation of pumice rock? 1. 2. 3. 4. precipitation of minerals from evaporating seawater metamorphism of unmelted rock material deposition of quartz sand explosive eruption of lava from a volcano The rounded pebbles of the rock in the diagram have been cemented together to form 1. 2. 3. 4. granite, an igneous rock conglomerate, a sedimentary rock siltstone, a sedimentary rock gneiss, a metamorphic rock -------------- 9. Most rock gypsum is formed by the 1. heating of previously existing foliated bedrock 2. cooling and solidification of lava 3. compaction and cementation of shells and skeletal remains 4. chemical precipitation of minerals from seawater -------------- -------------- http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 3 of 12 Regents Review#10: Rocks and Minerals 5/30/13 8:55 AM 10. The cross section shows a typical bedrock structure where oil and natural gas deposits are found. Figure 3 According to the diagram, in which type of rock are these natural gas and oil deposits found? 1. 2. 3. 4. coarse-textured igneous rock foliated metamorphic rock porous clastic sedimentary rock intrusive crystalline sedimentary rock -------------- http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 4 of 12 Regents Review#10: Rocks and Minerals 5/30/13 8:55 AM 11. The diagrams represent five different rock samples. Figure 4 Which sample is composed mostly of clay-sized particles? 1. A 3. C 2. B 4. D -------------- 12. [Refer to figure 4] If sample E were metamorphosed, it would most likely become 1. slate 3. anthracite coal 2. marble 4. metaconglomerate -------------- http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 5 of 12 Regents Review#10: Rocks and Minerals 5/30/13 8:55 AM 13. Base your answer to the question on the map below of Iceland, a country located on the Mid- Atlantic Ridge. Four locations are represented by the letters A through D. Figure 5 The fine-grained texture of most of the igneous rock formed on the surface of Iceland is due to 1. rapid cooling of the molten rock 2. high density of the molten rock 3. numerous faults in the island’s bedrock 4. high pressure under the island -------------14. What is the best way to determine if a mineral sample is calcite or quartz? 1. 2. 3. 4. Observe the color of the mineral. Place the mineral near a magnet. Place a drop of acid on the mineral. Measure the mass of the mineral. -------------- 15. Which is the best explanation for the cleavage of mica into thin layers? 1. 2. 3. 4. the high density of mica the arrangement of the atoms in mica the softness of mica the impurities found in mica -------------- http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 6 of 12 Regents Review#10: Rocks and Minerals 5/30/13 8:55 AM 16. The diagram shows the structure of a student-developed chart for identifying some rock samples. The circles labeled choice 1 through choice 4 represent decision-making steps leading either to path (a) or path (b). Choice 5 has not been completed. Figure 6 Which rock specimen should lead the student to choice 4, path (a)? 1. peridotite 3. gneiss 2. quartzite 4. dolostone -------------- http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 7 of 12 Regents Review#10: Rocks and Minerals 5/30/13 8:55 AM 17. The diagram shows a geologic cross section. Figure 7 At which location in the geologic cross section is metamorphic rock most likely to be found? 1. A 3. C 2. B 4. D -------------- 18. Slate is formed by the 1. 2. 3. 4. deposition of chlorite and mica foliation of schist metamorphism of shale folding and faulting of gneiss -------------- http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 8 of 12 Regents Review#10: Rocks and Minerals 5/30/13 8:55 AM 19. The diagram represents a geologic cross-section. Figure 8 In which location is a geologist most likely to find rock composed of intergrown crystals? 1. A 3. C 2. B 4. D -------------- 20. Wavy bands of light and dark minerals visible in gneiss bedrock probably formed from the 1. cementing together of individual mineral grains 2. cooling and crystallization of magma 3. evaporation of an ancient ocean 4. heat and pressure during metamorphism -------------21. The diagram below shows a rock with deformed structure and intergrown crystals. The rock was probably formed by 1. sediments that were deposited on the ocean floor 2. heat and pressure that changed a preexisting rock http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 9 of 12 Regents Review#10: Rocks and Minerals 5/30/13 8:55 AM 3. volcanic lava that cooled on Earth’s surface 4. a meteor impact on Earth’s surface -------------- http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 10 of 12 Regents Review#10: Rocks and Minerals 5/30/13 8:55 AM 22. 23. Where is metamorphic rock frequently found? Base your answer to the question on the map below. The represents Mt. Hekla, a volcano in Iceland. The isolines represent the thickness of ash, in centimeters, that settled on Earth’s surface after a volcanic eruption of Mt. Hekla on March 29, 1947. Point X is a location on the surface of the ash. 1. on mountaintops that have horizontal layers containing marine fossils 2. within large lava flows 3. as a thin surface layer covering huge areas of the continents 4. along the interface between igneous intrusions and sedimentary rocks -------------- Figure 9 In addition to the ash, solid rock formed on Mt. Hekla from the lava extruded during this eruption. This rock is most likely 1. light-colored metamorphic 3. fine-grained igneous 2. dark-colored metamorphic 4. coarse-grained igneous -------------- http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 11 of 12 Regents Review#10: Rocks and Minerals 5/30/13 8:55 AM 24. Large crystal grains in an igneous rock are an indication that the crystals formed 1. 2. 3. 4. over a long period of time under low pressure near the surface of the Earth at a low temperature -------------- 25. The diagram represents top and side views of models of the silicate tetrahedron. Which element combines with silicon to form the tetrahedron? 1. oxygen 3. potassium 2. nitrogen 4. hydrogen -------------- http://www.castlelearning.com/review/teacher/AssignmentPrinting.aspx Page 12 of 12