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Vocab #15

8th Grade Vocabulary #15

Conduction The transfer of thermal energy due to collisions between particles
Equilibrium A state of physical or chemical balance in a system
Exothermic A chemical reaction in which heat energy is released
Isotope Atoms of the same element that have different numbers of neutrons
Ion An atom that is no longer neutral because it has gained or lost electrons
Specific heat The amount of heat energy needed to raise the temperature of 1 gram of substance by 1C
Reactant A starting substance in a chemical reaction
Oxidation A chemical reaction in which a substance combined with oxygen to form an oxide
Product A substance produced by a chemical reaction
Convection The transfer of thermal by the movement of particles from one part of a material to another
Physical Property A characteristic of matter that you can observe or measure without changing the identity of the matter
Physical Change A change in the size, shape, form, or state of matter that does not change the matter's identity
Chemical Change A change in matter in which the substances that make up the matter change into other substances with different chemical and physical properties
Chemical Property The ability or inability of a substance to combine with or change into one or more new substances
Chemical bond A force that holds two or more atoms together
Chemical formula A group of chemical symbols and numbers that represent the elements and numbers of atoms of each element that make up a compound
Chemical equation A description of reaction using element symbols and chemical formulas
Chemical energy The energy stored in chemicial bonds
Chemical reaction A process in which atoms of one or more substances rearrange to form one or more
Endothermic reaction A chemical reaction in which heat is absorbed
Created by: ehudson1