Chapter 2 Questions - Xavier Baquero 10-0126 Environmental...

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Xavier Baquero 10-0126 Environmental Science Friday, January 22, 2010 Mr. Hernandez Classwork Explain how scientists perform their work By the scientific method, following each step: o Hypothesis o Procedure o Observation o Conclusion How is the scientific information different from other types of information? It has been proved with experimental procedures. Explain the two laws of thermodynamics 1. When energy is converted from one form of energy to another in a physical or chemical change, no energy is created or destroyed. 2. When energy changes from one form to another, we always end up with lower-quality or less usable energy. Explain the law of matter conservation and matter transformation: When a physical or chemical change occurs, no atoms are created or destroyed. How efficient are the light bulbs and car engines transforming energy?
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Very efficient, because light bulbs transform energy into light and heat, and car engines use combustion to produce energy, and move the car. What is the “natural” greenhouse effect
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Chapter 2 Questions - Xavier Baquero 10-0126 Environmental...

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