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Which term describes the change of a liquid into a gas?

  1. Sublimation

  2. Condensation

  3. Evaporation

  4. Freezing

The correct answer is: Evaporation

The term that describes the change of a liquid into a gas is evaporation. This process occurs when molecules in the liquid gain enough energy to overcome the forces holding them together, allowing them to enter the gas phase. Evaporation typically happens at the surface of the liquid and can occur at temperatures below the boiling point. Sublimation refers to the transition of a solid directly into a gas without passing through the liquid state, while condensation is the process where a gas turns back into a liquid. Freezing is the process where a liquid becomes a solid as it loses energy. These definitions demonstrate the unique nature of evaporation as it specifically pertains to the transition from liquid to gas.