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evaporation definition for kids

Water in the liquid state is a compound, and the heat breaks up the bonds into water molecules, which is gaseous. At normal atmospheric pressure, only some compounds like 'dry ice' (solid carbon dioxide) can go through this process.Most objects need low pressure in their surroundings to go through sublimation. Dictionary Definitions; Evaporation Evaporation meaning. Make it an experiment! Evaporation drives the water cycle. Evaporation is defined as the process of a liquid changing into a gas. Water from plants and trees also enters the atmosphere. In nature, evaporation—especially from the oceans—plays a key role in the water cycle by moving water from its liquid state on Earth’s surface to the atmosphere as water vapor. Warm water vapor rises up through Earth’s atmosphere. Learn more. Not all of the molecules in a liquid have the same energy. Improve your knowledge on what evaporation is and learn more with DK Find Out. When you have a puddle of water (H 2 O) on a windy day, the wind can cause an increased rate of evaporation even when it is cold out. Evaporation is a process by which a substance changes from a liquid state to a gaseous state at temperatures below the boiling point of the liquid. Evaporation occurs when liquid water on Earth’s surface turns into water vapor in our atmosphere. Evaporation happens when atoms or molecules escape from the liquid and turn into a vapor. Dictionary ! Many factors affect evaporation, but the main driving force is solar energy from the sun. The water evaporates into water vapor, the gas phase of water. Information about evaporation from the DK Find Out website for kids. Water (a liquid) turns into vapor (a gas) when heat energy is applied to raise its temperature to 100°C (212°F). ĭ-văp'ə-rā'shən . Evaporation from the oceans is the primary mechanism supporting the surface-to-atmosphere portion of the water cycle. Filters Evaporation is defined as the process of a liquid changing into a gas. After all, the large surface area of the oceans (over 70 percent of the Earth's surface is covered by the oceans) provides the opportunity for large-scale evaporation to occur. evaporation meaning: 1. the process of a liquid changing to a gas, especially by heating: 2. the fact of something…. Evaporation is when a liquid becomes a gas without forming bubbles inside the liquid volume.If bubbles are formed we are talking instead about "boiling".For example, water left in a bowl will slowly disappear. Evaporation is simply the process by which liquid turns into a gas. Menu. If you wanted to set this up as an experiment or investigation, one way to set it up is to leave the wet sand in different places ( sun, shade, indoors etc ) and observe how the sand in each place changes over a period of time. This site uses cookies and by continuing to browse it you are agreeing to our use of cookies. 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