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Vocab

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
Property   A characteristic of a substance that can be observed.  
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Physical Property   A property that can be observed without changing the identity of the substance.  
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Melting Point   Temperature at which a substance changes from a solid to a liquid at a given H2o= 0^c  
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Boiling Point   Temperature at which a substance changes.  
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Chemical Property   A property that can be only observed by changing the identity of the substance.  
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Density   The amount of mass per unit of volume.  
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Atom   smallest unit ever  
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Atomic Number   Number of protons of an atom in a given atom.  
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Atomic Mass   Number of protons plus the number of neutrons in an atom  
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Gas   Air  
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Liquid   an substance that can fill any container  
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Solid   Firm and stable in shape, not a liquid.  
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Volume   The amount of space something occupies  
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Matter   Mass that takes up space  
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Mass   the amount of matter in an object.  
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Metal   Shiny, Good Conductors, and maleable and ductility  
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Non-Metal   Poor conductors, dull, mostly gases  
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Matalloid   like both metal and non metal, shiny, malleable, semi conductors  
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Homogeneous   Parts are mixed evenly throughout (same).  
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Heterogeneous   Parts are uneven throughout (different).  
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Solution   Type of mixture where the solute is dissolved/mixed evenly in the solvent.  
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Solute   The part of the solution that dissolves.  
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Solvent   The part of the solution that the solute dissolves in.  
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Homogeneous Mixture   parts are mixed evenly throughout (same)  
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Heterogeneous Mixture   parts are uneven throughout (different)  
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Solution   type of mixture where the solute is dissolved/mixed evenly in the solvent  
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Physical Change   a change that occurs without changing the identity of the substance  
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Chemical Change   a change that occurs by changing the identity of the substance  
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Mixture   when 2 or more substance are combined physically  
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Compound   when 2 or more substances are combined chemically and can't be separated by physical means.  
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Atom   Smallest unit of matter  
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Element   one of the 100 or more units that make up all matter, and found on the Periodic Table  
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Mass   How much matter in something  
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Reactant   the elements and compounds you start with in a reaction/equation  
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Product   the elements and compounds that you end with in a reaction/equation  
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Reactivity   the ability to react with another element or compound  
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Coefficient   the number in front of the molecule  
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Cell   Smallest unit of living things  
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Mitochondria   Part of the cell where energy is made through cellular respiration  
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Chloroplast   Part of the plant cell where photosynthesis occurs  
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Nucleus   The control center of the cell  
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Ribosomes   Part of cell where proteins are made  
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Vacuole   Part of the cell where water, food, and waste is stored  
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Carbohydrate   Sugar molecule used for energy  
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Lipid   Organic compound that makes fats and oils in living things  
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Protein   org. compound made of amino acids, that does the work in a cell  
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Nucleic Acid   Molecules that carry the instructions for a cell (RNA and DNA)  
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Glucose   Sugar made from carbon, hydrogen, and oxygen  
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Photosynthesis   Process plant cells use to make glucose  
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Chlorophyll   Pigment in chloroplast that traps the energy in sunlight  
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Cellular Respiration   Process all living things do when using oxygen to release energy from glucose  
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Mitosis   Type of cellular reproduction where cells make a copy of themselves  
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Meiosis   Type of cellular reproduction where cells copy then divide to create sex cells.  
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