
Exploring time
by Marvin C. Grossman, Irwin I. Shapiro, R. Bruce Ward, Harvard-Smithsonian Center for Astrophysics
Time measurementsStudy and teaching (Elementary)Clocks and watchesStudy and teaching (Middle school)
Questions and activities explore the concept of time, the measurement of time, and various timekeeping devices.
Writing a summary for young readers…
For young readers
Book data: Open Library