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unit 1 topic 3 vocab
| definition | Answer |
|---|---|
| adhesion | water molecules stick to other materials |
| cohesion | water sticking to other water molecules via hydrogen bonds |
| polar molecule | a compound with one negatively charged side and one positively charged side |
| hydrogen bond | the side with a positive charge attracts the negative charge of a different water molecule |
| surface tension | has thin skin on its surface due to the water molecule sticking together |
| capillary action | cohesion and adhesion work together to allow water to travel against gravity and move up a planet |
| specific heat capacity | the amount of heat requried to change the temperature of a unit mass of a given substance by a unit amount |
| expansion upon freezing | an increase in volume with the same mass leads to a decrease in density |
| universal solvent | dissolves more substances rhan any other liquid |