Process by which water vapor changes to a liquid

Evaporation

Condensation

Convection

radiation

Condensation is the process by which water vapor changes to a liquid.

Evaporation is the process in which a liquid changes to water vapor.

Convection is the transfer of heat by movement of the heated parts of a liquid or gas.

Radiation is a specific kind of radiation generated by the thermal (thermal means heat) motion of charged particles in matter. (liquid, gas or solids)

The process is condensation. its the reason we have mildew on our lawns every morning