This set of 20 questions is designed to help you and your instructor find out what you know about the phases of the Moon.
Live south of the Equator please use the southern hemisphere version.
The Lunar Phases Concept Inventory was created by the Physics, Astronomy, and Chemistry Education Research Group (PACER) at Southern Illinois University Edwardsville (SIUE).
Questions about the content and use of the LPCI should be directed to Dr. Rebecca Lindell at SIUE.
This web version was constructed by David Weiss and Andy Johnson of the South Dakota Center for the Advancement of Math and Science Education (CAMSE) at Black Hills State University.
Requests for access to the web-LPCI and questions about its operation should be directed to Dr. Andy Johnson at BHSU.