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ScienceVocab 135-161

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
El Nino   The warm water event on the Pacific Ocean  
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La Nina   The cold water event on the Pacific Ocean  
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Global Warming   The gradual increase in the temperature of Earth's atmosphere  
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CFCs   Cleaners for electronics that are the major cause of ozone depletion  
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Energy Transformation   A change from one form of energy to another  
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combustion   burning  
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Fossil Fuels   energy-rich substances formed from the remains of organisms  
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Hydrocarbons   chemical compounds that contain carbon and hydrogen atoms  
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Coal   solid fossil fuel formed from plant remains  
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Oil   Thick, black, liquid fossil fuel  
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Petroleum   another name for oil, comes from Latin word Petra(rock) and Oleum(oil)  
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Refinery   A factory in which crude oil is heated and separated into fuels and other products  
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Petrochemicals   compounds that are made from oil  
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