Sound light heat
Subtitle: electricity magnetism & electromagnetism : mechanics hydraulics and aeromechanics : as subjects in an introductory physics 6th through 8th grade
By: by Manfred von Mackensen ; translation revised John H. Petering. Vol.3, Grade 8.
Contributors: Petering, John H.; Association of Waldorf Schools of North America.
Publisher: A.W.S.N.A.
Published: 1997
Place of publication: Fair Oaks, CA
Language: eng
Other titles: A Phenomena-based physics.
Notes: German original copyright 1987,1992 Manfred von Mackensen, Kassel, West Germany.

On cover: A Phenomena-based physics: sound light heat: volume 3 of 3 for Grade 8 by Manfred von Mackensen.