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a proposal of an experiment's outcome |
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it is changed in an experiment to affect the dependent variable |
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it is measured/observed in an experiment as data |
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one test in the experiment that does not include the variable being tested (independent) |
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factors/variables in an experiment that do not change |
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drawn based on data analysis in an experiment; either confirms or disproves hypothesis |
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the process of performing and experiment |
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combination of 2 or more elements; pure substance |
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combination of 2 or more substances (salt and water) |
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homogeneous mixture where one substance is dissolved by another (salt and water) |
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heterogeneous mixture; the particles of each substance can be separated from each other easily (salad, dressing) |
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mixture where particles are equal size and evenly distributed, but cannot be separated easily; particles are large (whipped cream) |
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a liquid substance capable of dissolving other substances (water/acid) |
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a substance that is dissolved by a solvent (salt/sugar) |
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outermost electrons of an atom; they are used when bonding to other atoms |
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number of electrons gained in chemical bonding (if the atom loses electrons, this number is negative) |
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number of protons (and electrons) in an element |
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the number of protons and neutrons combined |
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one or two letters of the alphabet used in quick identification of elements |
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a positively charged particle in the nucleus of an atom |
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a particle in the nucleus of an atom that has no charge (neutral) |
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a negatively charged particle in an atom; orbits the nucleus in the electron cloud |
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an atom that has a positive or negative charge |
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an group of atoms that have bonded and have a positive or negative charge |
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a compound wherein one substance is bonded with the maximum amount of another |
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a compound wherein one substance is bonded with more than the maximum amount of another |
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a compound in which one substance is bonded with less than the maximum amount of another |
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a compound of 2 or more metals |
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a chemical reaction wherein 2 or more reactants combine |
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a chemical reaction where two or more reactants separate |
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a chemical reaction where one reactant replaces one of the substances in a compound |
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a chemical reaction where one substance in a compound swaps places with a substance in another compound |
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a form of an element with a varying number of neutrons |
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energized particles emitted from a substance during nuclear decay |
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city in Ukraine that was abandoned due to radiation; radiation is virtually gone now, but it's still abandoned |
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a project of the US military and various scientists to develop the first nuclear bomb |
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nuclear separation of particles |
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nuclear combining of particles |
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proposed testing site for Manhattan project |
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An area in Pennsylvania where a nuclear disaster occurred in 1979 |
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the lead scientist on the Manhattan Project |
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the military official in charge of the Manhattan Project |
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isotopes of an element that has gone through nuclear decay |
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rate at which an object is moving |
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a change in the location of an object |
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a change in speed (increase) |
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change in speed (decrease) |
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Earth's pull on all objects with less mass |
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an object (filled with chemical) that produces electrical energy |
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electrical device that melts when a circuit overloads and stops the flow of current |
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