This activity book encourages students to think like inventors by employing ready-to-use materials, a timeline game, and topics from social studies, mathematics, science, language arts, and art. The first section explains the definition of invention and explores accidental inventions. It is followed by a section that examines the effects of inventions on American and world history. Students research and create trading cards of inventors, interview senior citizens, and make a water clock. Problem solving challenges, market surveys, cost calculations, and reading and writing patents are some of the activities included in the section on creative activity. Contains an interactive poster and a list of relevant resources. (DDR)