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Environmental Science
Nick Eyles

(Quiz 1 covers chapter 1, 2), (Quiz 2 is chapter 4,) (Quiz 6 is chap 19), (Quiz 10 is chapter 20) (+ the associated lecture material, of course) and the Canadian environmental geology lecture (the last lecture). Quiz 1 Why do plates diverge and sink? a. ridge-push b. slab-pull c. trench-suction d. all of the answers are correct The lithosphere is ____. a. only part of the mantle b. the same as the crust c. the crust and uppermost mantle d. the layer beneath the crust What would you most expect to find at continent-continent convergence? a. island arc b. continent-continent convergence is impossible c. mountain belt d. magmatic arc e. mid-ocean ridge The universe formed 4.5 billion years ago from debris left over following the Big Bang. True or false? True False 4.55 billion 3 million The Earth is about years old. Humans have been on Earth for about years. For what percentage of the Earths lifetime have humans been on Earth 0.067 ? Seafloor spreading implies that seafloor rocks should be _______________. 1. the same age throughout 2. younger as water becomes colder 3. youngest on the continental shelf 4. youngest on the crest of mid-ocean ridges 5. younger toward the trench The mesozoic southern supercontinent is called ____. a. Gondwanaland b. Laurasia c. Glossopteris d. Pangea Please choose the best answer from the options below in order to fill in the blank. Geology developed as a scientific discipline in the late eighteenth century as a result of _____________. 1. New demands for resources. 2. William Smith proposing that a supercontinent called Pangea existed 250 Ma. 3. An increase in the skill level of map makers. 4. The appointment of Sir William Logan as the first director of the Canadian Geological Survey in 1842. The Eastern coast of Canada is a passive continental margin. True or false? True False The Hawaiian islands are thought to be the result of ____. a. meteorite impact b. ocean-ocean convergence c. mantle plumes d. subduction e. mid-ocean ridge volcanics The largest zone of Earth's interior by volume is the ___. a. inner core b. mantle c. crust d. outer core Please fill in the blanks in this paragraph: The Burgess Shale is exposed in Yoho National Park in the Canadian Rocky Mountains and contains some of the worlds most important . They lived around years ago and consist of a remarkable assemblage of arthropods, sponges, mollusks, worms and some of the earliest chordates. This diverse and spectacular assemblage has allowed scientists to learn a great deal about the evolution of complex life forms during the explosion. The sliding of the sea floor beneath a continent or island arc is called ____. a. rotation b. subduction c. polar wandering d. tension The San Andreas fault in California is a ____. a. reverse fault b. transform fault c. normal fault d. thrust fault What would you most expect to find at ocean-continent convergence? a. suture zone b. magmatic arc c. ocean-continent convergence is impossible d. island arc e. mid-ocean ridge Please match the following SCIENTISTS with some of their MAJOR CONTRIBUTIONS to the science of geology. You may use each SCIENTIST as many or as few times as you wish. B. __________ created the first comprehensive geological map of A. ALFRED WEGENER Box_1.3.Fig_1.jpg.jpg England in 1815 B. WILLIAM SMITH Box_1.1.Fig_1.jpg.jpg C. J. TUZO WILSON D. __________ was the first to create a systematic layout of the geology of Canada Box_1.4.Fig_1.jpg.jpg D. SIR WILLIAM LOGAN Box_1.2.Fig_1.jpg.jpg D. _________ created an inventory of Canada s mineral resources A. _________ first proposed the concept of continental drift C. ________. His work on hot spots and transform faults contributed substantially to the development of the plate tectonic theory. Passive continental margins are created at ____. a. divergent plate boundaries b. transform faults c. convergent plate boundaries d. none of the other answers is correct Please use the options below to fill in the blanks in this sentence. Rocks formed within the Earth are brought to the surface by (choose these two answers in alphabetical order) and forces. New sediments are formed as these rocks are broken down by surficial processes. Over time, sediments become lithified and create rocks; these rocks may be buried and changed by the effects of heat and to form rocks. Metamorphic rocks may partially melt to form magma which produces rocks. In cross-section, the plates are part of a rigid outer shell of the Earth called the ___. a. asthenosphere b. lithosphere c. mantle d. crust
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