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Environmental Systems - AP Environmental Science, Chapter 2

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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Term
Definition
Matter   show
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show A measure of the amount of matter and object contains  
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Atom   show
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Element   show
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show A chart of all the chemical elements currently known, organized by their chemical properties  
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show Particles containing more than one atom  
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Compounds   show
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Atomic number   show
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Mass number   show
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Isotopes   show
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Radioactive decay   show
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Half-life   show
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Covalent bond   show
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Ionic bond   show
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show A weak chemical bond that forms when hydrogen atoms that are covalently bonded to one atom are attracted to another atom on another molecule  
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Polar molecule   show
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show A property of water that results from the cohesion of molecules at the surface of a body of water and creates a "skin" on the water's surface  
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show A property of water that occurs when adhesion of water molecules to a surface is stronger than the cohesion between the molecules  
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show A substance that contributes hydrogen ions to a solution  
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Base   show
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pH   show
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Chemical reaction   show
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Law of Conservation of Matter   show
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show A compound that does not contain carbon  
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Organic compound   show
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Carbohydrates   show
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Proteins   show
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Nucleic acids   show
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DNA   show
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RNA   show
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show Smaller organic molecules that do not mix with water  
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show A highly organized living entity that consists of the four types of macromolecules and other substances in a watery solution, surrounded by membrane  
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Energy   show
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show A form of energy emitted by the sun that includes (but is not limited to) visible light ultraviolet light, and infrared energy  
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Photons   show
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show The amount of energy used when a one-watt electrical device is turned on for one second  
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show The rate at which work is done  
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show Stored energy that has not been released  
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show The energy of motion  
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Chemical energy   show
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Temperature   show
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show Energy can neither be created nor destroyed  
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show When energy is transformed, the quantity of energy remains the same, but its ability to do work diminishes  
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show The ratio of the amount of work done to the total amount of energy introduced to the system  
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Energy quality   show
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show Randomness in a system  
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Open system   show
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Closed system   show
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Inputs   show
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show Losses from a system  
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show An analysis to determine inputs, outputs, and changes in a system under various conditions  
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Steady state   show
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Feedback   show
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Negative feedback loops   show
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Positive feedback loops   show
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