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Unit 1 Topic 3 Water
| Term | Definition |
|---|---|
| Adhesion | Water molecules stick to other materials |
| Cohesion | Water molecules stick to each other |
| Polar molecule | A compound with one negatively charged side and one positively charged side |
| Hydrogen Bond | The side with the hydrogen atoms (+) attracts the oxygen side (-) of a different water molecule |
| Surface Tension | Water's thin "skin" on its surface due to the water molecules sticking together |
| Capillary Action | Water traveling against gravity and move up a plant stem |
| Specific Heat Capacity | The amount of heat required to change the temperature of a unit mass of a given substance by a unit amount, usually degrees |
| Expansion Upon Freezing | An increase in volume with the same mass leads to a decrease in density |
| Universal Solvent | Water is called Universal Solvent because it dissolves more substances than any other liquid |