Holt Science Spectrum: Physical Science with Earth and Space Science Guided Reading Audio Program CD-ROM Holt Science Spectrum®: Physical Science and Physical Science with Earth and Space Science Holt's introductory physical science program integrates chemistry, physics, Earth science, space science, and applied mathematics and emphasizes the important connections between these subjects. Grades: 9-12 Material Type: Resource Materials Format: CD, 4 Pages ISBN-13/EAN: 9780030936111 ISBN-10: 003093611X Product Code: 1159639 National/State: National Copyright Year: 2008