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1) matter that has a uniform and definite composition. a) independent variable b) variable c) observation d) substances 2) process that occurs when one or more substances, called reactants, is changed into one or more new substances, called products. a) investigation b) research c) chemical reaction d) theory 3) an ionic compound that forms when an acid and base undergo a neutralization reaction. a) law b) salt c) research d) investigation 4) a physical blend of two or more components, each of which retains its own identity and properties. a) mixture b) law c) statement d) conclusion 5) esters of long-chain fatty acids and long-chain alcohols, which are hydrophobic. a) waxes b) force c) velocity d) inertia 6) a form of matter that has a definite shape and volume. a) liquids b) vapor c) solid d) plasma 7) the simplest form of matter that has a unique set of properties. a) elements b) compounds c) mixtures d) alloys 8) state of matter that has a fixed volume but not a fixed shape. a) solid b) liquid c) gas d) capillaries 9) the measure of the average kinetic energy of the particles in matter; a physical property of matter. a) non metal b) temperature c) acceleration d) velocity 10) science of heredity, or how traits are passed from parents to offspring. a) law b) Genetics c) inherit d) DNA

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