Holt McDougal Earth Science Unit Videos with Geology Field Trip DVD Holt McDougal Earth Science With an emphasis on inquiry, critical thinking and problem solving, Holt McDougal Earth Science provides students with opportunities to observe and apply the scientific processes necessary for Earth science mastery. Grades: 9-12 Material Type: Student Materials Format: DVD, 1 Pages ISBN-13/EAN: 9780554016320 ISBN-10: 055401632X Product Code: 1084363 National/State: National Copyright Year: 2010