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Unit 1 Topic 3
| Term | Definition |
|---|---|
| Adhesion | Water molecules stick to other materials. |
| Cohesion | The occurrence of 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 the hydrogen atoms attracts the oxygen side of a different water molecule. |
| Surface Tension | A thin "skin" on somethings surface due to water molecules sticking together. |
| Capillary Action | Cohesion and adhesion work together to allow water to travel against gravity and move up a plant system. |
| Specific Heat Capacity | The amount of heat required to change the temperature of a unit mass ir a given substance by a unit amount. |
| Expansion Upon Freezing | A water decreases in temperature the molecules move away from each other, This change causes an increase in volume. |
| Universal Solvent | Dissolves more substances than any other liquid. |