TY  - BOOK
AU  - Mackensen,Manfred von
AU  - Petering,John H.
TI  - Sound, light, heat, electricity, magnetism & electromagnetism: mechanics, hydraulics, and aeromechanics as subjects in an introductory physics, 6th through 8th grade 
T2  - A phenomena-based physics
SN  - 0962397865
U1  - 371.391 23
PY  - 1997///
CY  - Fair Oaks, Calif.
PB  - Association of Waldorf Schools of North America
KW  - Physics
KW  - Study and teaching (Elementary)
KW  - Handbooks, manuals, etc
KW  - Phenomenological theory (Physics)
KW  - Physical sciences
KW  - Waldorf method of education
N1  - German ed. published in 1987; Includes bibliographical references; Vol.1. Grade 6--- v.2. Grade 7 -- v. 3. Grade 8
ER  -