water is in the liquid state , called liquid water & water is a kind of substance & condensing means matter / a substance changes from a gas into a liquid by decreasing heat energy & water is in the gas state , called water vapor / steam ->  water condensing is when water changes from water vapor to liquid water  water condensing is when water changes from water vapor to liquid water & condensation is a kind of process -> water will change from water vapor to liquid water in the process of condensing