Open AccessPennsylvania's Secondary School Earth Science Course—Ten Years of Progress
Author(s) -
Alan R. Geyer,
William R. Shirk
Publication year - 1970
Publication title -
journal of geological education
Language(s) - English
Resource type - Journals
ISSN - 0022-1368
DOI - 10.5408/0022-1368-xviii.3.118
Subject(s) - course (navigation) , earth (classical element) , mathematics education , science education , astrobiology , earth science , psychology , geology , engineering , astronomy , physics , aerospace engineering