Maslow's Hierarchy of Needs. Definition. Maslow's hierarchy of needs is a theory of motivation and personality developed by the psychologist Abraham H. Maslow (1908â1970). Maslow's hierarchy explains human behavior in terms of basic requirements for survival and growth.
When you use ice to cool the ingredients for ice cream, the energy is absorbed from the ingredients and from the outside environment (like your hands, if you are holding the baggie of ice!).
Ice cream social. An ice cream social (also known as an ice cream party) is a planned event with the primary focus of which is ice cream served to the guests. It is often a neighborhood event or welcoming party, normally held during the summer.[1]