Science – Grade 8
First Edition, 2013
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Development Team of the Learner’s Material
Authors: Pia C. Campo, May R. Chavez, Maria Helen D.H. Catalan, Ph.D., Leticia V.
Catris, Ph.D., Marlene B. Ferido, Ph.D., Ian Kendrich C. Fontanilla, Ph.D., Jacqueline
Rose M. Gutierrez, Shirley R. Jusayan, Michael Anthony B. Mantala, Cerilina M.
Maramag, Marie Paz E. Morales, Eligio C. Obille, Jr., Digna Paningbatan, Genevieve
Faye Pasamonte, Ma. Dulcelina O. Sebastian, Rolando M. Tan, and Rodolfo S. Treyes,
Reviewers: Ernelea P. Cao, Ph.D., Josefina Ll. Pabellon, Ph.D., Ma. Cristina D.
Padolina, Ph.D., Risa L. Reyes, Ph.D., and Merle C. Tan, Ph.D.
Illustrators: Alvin J. Encarnacion, Ma. Laura V. Ginoy, Rizaldo Ramoncito S. Saliva,
Andrew F. Torres
Layout Artist: Cecile N. Sales