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Properties of water
SOL 6.6
| Question | Answer |
|---|---|
| Cohesion | The attraction between water molecules that causes them to stick to each other. |
| Adhesion | The attraction between water molecules and other substances (like glass or soil). |
| Surface Tension | A force created by cohesion that makes water act like a “skin” on its surface. |
| Specific Heat | The amount of heat needed to raise the temperature of a substance. |
| Heat Capacity | The ability of a substance to absorb heat energy. |
| Evaporation | The process of liquid water changing into water vapor (gas). |
| Condensation | The process of water vapor cooling and turning into liquid water |
| Freezing | The change from liquid water to solid (ice). |
| Melting | The change from solid (ice) to liquid water. |
| Ice (frozen water) | Water in solid form that is less dense than liquid water, so it floats. |
| Universal Solvent | Water is called this because it dissolves more substances than any other liquid. |
| Polarity | Water molecules have a slightly positive end and a slightly negative end, allowing many of its unique properties. |
| Precipitation | Any form of water that falls from clouds (rain, snow, sleet, hail). |
| Weathering | The breakdown of rocks into smaller pieces at or near Earth’s surface. |
| Erosion | The movement of weathered materials (sediment) from one place to another. |
| Physical (Mechanical) Weathering | The physical breaking of rocks into smaller pieces without changing their composition. |
| Chemical Weathering | The breakdown of rocks through chemical changes (reactions with water, air, or acids) |
| Weather | The day-to-day conditions of the atmosphere (temperature, precipitation, wind, etc.). |
| Climate | The average weather conditions in an area over a long period of time (years or decades). |
| Humidity | The amount of water vapor in the air. |
| Solar Energy | Energy from the Sun that drives weather and climate. |