* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download extra revision sheet grade 7 Q 4 Multiple Choice Identify the choice
Survey
Document related concepts
Schiehallion experiment wikipedia , lookup
Post-glacial rebound wikipedia , lookup
Anoxic event wikipedia , lookup
Age of the Earth wikipedia , lookup
Composition of Mars wikipedia , lookup
Provenance (geology) wikipedia , lookup
Large igneous province wikipedia , lookup
History of geology wikipedia , lookup
Geochemistry wikipedia , lookup
Transcript
extra revision sheet grade 7 Q 4 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. What are the two major groups of minerals? a. silicates and nonsilicates c. metallic and nonmetallic b. quartz and mica d. native elements and carbonates ____ 2. The groupings silicate and nonsilicate minerals are based on a. chemical composition. c. organic content. b. color. d. gas and liquid state. ____ 3. Nonsilicate minerals a. all have a nonmetallic luster. b. are all rare substances. c. do not contain oxygen. d. include native elements. ____ 4. Which of the following is NOT true of minerals? a. They are inorganic. c. They are liquids. b. They have a crystalline d. They are formed in nature. structure. ____ 5. Which of the following is NOT a class of nonsilicate minerals? a. carbonates c. oxides b. native elements d. micas ____ 6. A repeating pattern of atoms, ions, or molecules in a mineral is called a. crystalline structure. c. mineral structure. b. elemental structure. d. compound structure. ____ 7. Halides and oxides are classes of a. micas. b. nonsilicate minerals. c. silicate materials. d. native elements. 1 ____ 8. Which of the following is NOT a type of luster? a. supermetallic c. nonmetallic b. metallic d. submetallic ____ 9. What is the softest mineral on the Mohs scale? a. topaz c. diamond b. talc d. gypsum ____ 10. What is the color of a mineral in powdered form called? a. streak c. gas b. liquid d. fracture ____ 11. Tectonic plates consist of a. both continental and oceanic crust. b. mesosphere. c. continental crust. d. oceanic crust. ____ 12. Wegener thought that all the continents were once together in one large continent called a. Eurasia. c. Gondwana. b. Pangaea. d. Laurasia. ____ 13. A possible result of plates moving along a transform boundary is a. earthquakes. c. oceans. b. sea-floor spreading. d. convection. ____ 14. What is the liquid layer of the Earth’s core called? a. inner core c. lithosphere b. outer core d. mesosphere ____ 15. According to the continental drift theory, a single, huge continent once existed called a. Panthalassa. c. Pangaea. b. Eurasia. d. Wegener. ____ 16. The core consists mainly of a. silicon. b. oxygen. c. iron. d. magnesium. 2 ____ 17. The fact that similar fossils are found on both sides of the ocean is evidence of a. continental drift. c. global positioning. b. oceanic drifts. d. magnetic reversal. ____ 18. What does the theory of continental drift explain? a. how volcanoes formed c. the layers of the Earth b. how oceans formed d. why continents move ____ 19. What is compression? a. stress breaking an object b. stress releasing an object c. stress squeezing an object d. stress pulling an object ____ 20. What is the idea that all continents were part of one big landmass? a. oceanic theory c. oceanic drift b. continental theory d. continental drift ____ 21. Tectonic plates “float” on a. the asthenosphere. b. the lithosphere. c. the ocean. d. the mantle. ____ 22. Mid-ocean ridges are the most common type of a. divergent boundary. c. continental-continental collision. b. subduction zone. d. oceanic-oceanic collision. ____ 23. Changes in density in the asthenosphere are caused by a. ridge push. c. thermal energy. b. seismic waves. d. slab pull. ____ 24. Which of the following is a type of frost action? a. ice wedging c. abrasion b. gravity d. oxidation 3 ____ 25. How do lichens slowly break down a rock? a. by ice wedging c. by abrasion b. by chemical weathering d. by mechanical weathering ____ 26. Ice, wind, water, gravity, plants, and animals are all agents of a. oxidation. c. differential weathering. b. desertification. d. physical weathering. ____ 27. When oxygen in the air reacts with iron, the result is a. oxidation. c. abrasion. b. infiltration. d. differential weathering. ____ 28. What is the breakdown of rock into smaller pieces by physical means called? a. habitation c. mechanical weathering b. acid precipitation d. oxidation Completion Complete each statement. 29. A mineral that is composed of only one element is called a ____________________. 30. One of the more common silicate minerals is ____________________, which is the main component of most rocks on Earth. 31. The measure of how much matter is in a given space is called ____________________. 32. The most common classification of minerals is based on ____________________ composition. 33. A naturally formed, inorganic solid with a definite crystalline structure is a ____________________. 34. The lithosphere floats on a layer of the Earth’s mantle called the ____________________. 35. The liquid layer at the Earth's center is known as the ____________________. 36. Tectonic plates move together to form a ____________________ boundary. 4 Matching Match each item with the correct statement below. a. fracture e. density b. luster f. cleavage c. color g. hardness d. special properties h. streak ____ 37. the appearance of a mineral that can vary according to the impurities in that mineral as well as other factors ____ 38. the ratio of the mass of a substance to the volume of the substance ____ 39. a measure of the ability of a mineral to resist scratching ____ 40. characteristics that are particular to only a few types of minerals ____ 41. the color of the powder of a mineral ____ 42. the way in which a mineral reflects light 5 extra revision sheet gr 7 Q 4 Answer Section MULTIPLE CHOICE 1. ANS: A PTS: 1 2. ANS: A PTS: 1 3. ANS: D PTS: 1 4. ANS: C PTS: 1 5. ANS: D PTS: 1 6. ANS: A PTS: 1 7. ANS: B PTS: 1 8. ANS: A PTS: 1 9. ANS: B PTS: 1 10. ANS: A PTS: 1 11. ANS: A PTS: 1 12. ANS: B PTS: 1 13. ANS: A PTS: 1 14. ANS: B PTS: 1 15. ANS: C PTS: 1 16. ANS: C PTS: 1 17. ANS: A PTS: 1 18. ANS: D PTS: 1 19. ANS: C PTS: 1 20. ANS: D PTS: 1 21. ANS: A PTS: 1 22. ANS: A PTS: 1 6 23. ANS: C PTS: 1 24. ANS: A PTS: 1 25. ANS: B PTS: 1 26. ANS: D PTS: 1 27. ANS: A PTS: 1 28. ANS: C PTS: 1 COMPLETION 29. ANS: native element PTS: 1 30. ANS: feldspar PTS: 1 31. ANS: density PTS: 1 32. ANS: chemical PTS: 1 33. ANS: mineral PTS: 1 34. ANS: asthenosphere PTS: 1 35. ANS: outer core PTS: 1 36. ANS: convergent PTS: 1 MATCHING 37. ANS: G PTS: 1 7 38. ANS: A PTS: 1 39. ANS: C PTS: 1 40. ANS: H PTS: 1 41. ANS: D PTS: 1 42. ANS: F PTS: 1 8