Teaching Guide: Inge Lehmann: Danish Seismologist
Students will learn about the life and work of geophysicist Inge Lehmann, and the behavior of seismic waves through earth’s layers.

Portrait of Inge Lehmann Photo by Elfelt, American Geophysical Union (AGU), courtesy AIP Emilio Segre Visual Archives
Students will learn about the life and work of geophysicist Inge Lehmann. They will learn about her discovery of the existence of Earth’s solid inner core, as well as how P (longitudinal) and S (transverse) seismic waves (the behavior of which prompted Lehmann’s theory) travel through the earth’s layers.
Grade level(s): 9-12
Guide subjects: Earth Science, History, Physics
Minority Group(s): Women
In-class time: 60-90 minutes
Prep time: 15-20 minutes
Technology Requirements: Student web access required, Audio/Video optional
Common Core Standards: Speaking & Listening, History/Social Studies, Science & Technical Subjects
Next Generation Science Standards: Earth and Space Sciences, Earth’s Place in the Universe, Physical sciences, Waves and Their Application in Technologies for Information Transfer