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Science Sec 1.2-1.4
Science Sect. 1.2, 1.3, &1.4 Vocab
Question | Answer |
---|---|
weight | The measure of the force of gravity on a substance |
mass | The measure of how much matter is in a substance |
volume | The amount of space a substance takes up |
density | The measure of how much mass is in a given volume |
S.I. | Means the International System of Units(Metric System). The system of metric units used by scientists to measure the properties of matter. |
atom | The smallest particle of an element |
molecule | The smallest unit of a compound, or a combination of two or more atoms. |
chemical bond | The force that holds two atoms together |
ore | A rock that contains a metal or other economically useful element |
electrolysis | A process in which an electrical current breaks chemical bonds |
electrode | A metal strip used in electrolysis |