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Science Vocabulary
Science Vocabulary 5/18/15
Term | Definition |
---|---|
Acceleration | The rate of change of velocity; can be calculated by dividing the change in the velocity by the time it takes the change to occur. |
Acid | Any substance that produces hydrogen ions in a water solution. |
Base | Any substance that forms hydroxide ions in a water solution. |
Chemical change | The change that occurs when a substance reacts and forms one or more new substances. |
Compound | A substance made up of at least two different elements held together by chemical bonds that can only be broken down into elements by chemical processes. |
Condensation | The change of a gas or vapor to a liquid, either by cooling or by being subjected to increased pressure. |
Density | Concentration of matter of an object; the mass per unit volume of a substance in a given area. |