This 20 term matching learning activity worksheet will help your students to learn terms associated with the theories of Jean Piaget. Terms include: accommodation, object permanence, formal operational stage, animism, schema, assimilation, centration, preoperational stage, symbolic thinking, egocentrism, and other relevant terms. Ideal for an Education, Psychology or related course and can be used as a warm up, pre-test, classwork assignment, quiz, or review activity. Answer key provided.