Abstract
To investigate the impact of science communication in science museums, the author points out the importance of surveys on the outcome of "museum experiences" of the people engaged in the communication, from the long-term point of view in the wide context The author stresses the focus on the experience covering the affective phase of learning, in addition to its cognitive phase. Examining the survey of "Memories of Visiting Science Museums" conducted by the author and previous surveys abroad, surveys of "long-term memories" of museum experiences are proposed as an important tool to identify the impact of science communication on people.