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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 |