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!).
Spread mint ice cream evenly over chocolate ice cream. Freeze 3 hours or until firm but not solid. (If ice cream freezes solid it will crack when rolled.) 3. To remove ice cream from pan, lift paper ends; place on flat surface. To roll, loosen long sides of ice cream from paper. Working quickly, lift short end of paper and turn over end of ice cream, pressing with fingers to start roll.