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Bookmark or Share- Water cycle | Definition, Steps, Diagram, & Facts | BritannicaBy evaporation, water in the liquid state is transferred to the gaseous, or vapour, state. This transfer occurs when some molecules in a water mass have attained sufficient kinetic energy to eject themselves from the water surface. The main factors affecting evaporation are temperature, humidity, wind speed, and solar radiation.
- Specific heat, heat of vaporization, and density of water - Khan AcademyHow does that work? Water molecules are very good at forming hydrogen bonds, weak associations between the partially positive and partially negative ends of the molecules. Hydrogen bonding explains both the effectiveness of evaporative cooling (why sweating cools you off) and the low density of ice (why ice floats).
- Experiments reveal the physics of evaporation | MIT News ...That membrane, just 200 nanometers (billionths of a meter) thick, made of silicon nitride and coated with gold, carries water through its pores by capillary action, and is electrically heated to cause the water to evaporate.
- The water cycle (article) | The water cycle | Khan AcademyDuring evaporation, water changes from liquid water to water vapor (a gas). Water also moves into the atmosphere by transpiration, or the evaporation of water from plants. Both evaporation and transpiration are driven by the sun’s energy. Water forms clouds in the atmosphere by condensation.
- The water cycle (article) | Ecology | Khan AcademyThe sun warms the ocean surface and other surface water, causing liquid water to evaporate and ice to sublime—turn directly from a solid to a gas. These sun-driven processes move water into the atmosphere in the form of water vapor. Over time, water vapor in the atmosphere condenses into clouds and eventually falls as precipitation, rain or snow.
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