1. Evaporation: This is the gradual change of a liquid to a gas at the surface of the liquid. It occurs at temperatures below the boiling point and is influenced by factors like temperature, surface area, and humidity.
2. Boiling: This is the rapid change of a liquid to a gas that occurs throughout the liquid at a specific temperature called the boiling point. The boiling point is dependent on the pressure surrounding the liquid.
3. Sublimation: This is the change of a solid directly to a gas, skipping the liquid phase. It occurs at temperatures and pressures below the triple point of the substance, where all three phases can coexist. A common example is dry ice (solid carbon dioxide) turning directly into gaseous carbon dioxide.
