Science
Teacher’s Guide
This instructional material was collaboratively developed and reviewed by educators from public and private schools, colleges, and/or universities. We encourage teachers and other education stakeholders to email their feedback, comments, and recommendations to the Department of Education at action@deped.gov.ph.
We value your feedback and recommendations.
Department of Education Republic of the Philippines i Science – Grade 8 Teacher’s Guide First Edition, 2013 ISBN:
Republic Act 8293, section 176 states that: No copyright shall subsist in any work of the Government of the Philippines. However, prior approval of the government agency or office wherein the work is created shall be necessary for exploitation of such work for profit. Such agency or office may, among other things, impose as a condition the payment of royalties. Borrowed materials (i.e., songs, stories, poems, pictures, photos, brand names, trademarks, etc.) included in this book are owned by their respective copyright holders. Every effort has been exerted to locate and seek permission to use these materials from their respective copyright owners. The publisher and authors do not represent nor claim ownership over them. Published by the Department of Education Secretary: Br. Armin A. Luistro FSC Undersecretary: Yolanda S. Quijano, Ph.D. Development Team of the Teacher’s Guide 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, Ph.D., Eligio C. Obille, Jr., Digna Paningbatan, Genevieve Faye Pasamonte, Ma. Dulcelina O. Sebastian, Rolando M. Tan, and Rodolfo S. Treyes, Ph.D. 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,
References: and Links Hewitt, Paul. (1989). Conceptual physics (6th Ed.) London: Scoot, Foresman and Company Hwang, Fu-kwun. (n.d.). Colors. Retrieved from http://users.halpc.org/~clement/Simulations/Mixing%20Colors/rgbColor.html Georgia State University. Department of Physics and Astronomy. (2013). Retrieved from http://www.phy-ast.gsu.edu. Release the rainbow. (2013). Retrieved from http://www.optics4kids.org/home/futurescientists/easy/release-the-rainbow/ Tracing, R. (n.d.). S369 AP physics. Retrieved from http://www.shs.d211.org/science/faculty/MJP/s369/light/docs/RayDiagrams.htm 62