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    Science- Grade 7Learners Material : Second Part First Edition, 2012ISBN: ___________

    Republic Act 8293, section 176 indicates that: No copyright shall subsist in anywork of the Government of the Philippines. However, prior approval of the governmentagency or office wherein the work is created shall be necessary for exploitation of such workfor profit. Such agency or office may among other things, impose as a condition the paymentof royalties .

    Published by the Department of EducationSecretary: Br. Armin Luistro FSCUndersecretary: Dr. Yolanda S. Quijano

    Inilimbag sa Pilipinas ng ____________

    Department of Education-Instructional Materials Council Secretariat (DepEd-IMCS)Office Address: 2 nd Floor Dorm G, PSC Complex, Meralco Avenue. Pasig

    City, Philippines 1600Telefax: (02) 634-1054 or 634-1072E-mail Address: [email protected]

    Development Team of the Learners Material

    Unit 3: Energy in Motion

    Reviewer : Josefina Ll. PabellonCoordinator: Merle C. TanAuthors: Alvie J. Asuncion, Leticia V. Catris, Cerilina M. Maramag,

    and Marie Paz E. Morales

    Unit 4: Earth and Space

    Reviewers : Eligio C. Obille Jr., Risa L. Reyes, and Merle C. TanCoordinator: Merle C. TanAuthors: Ivy P. Mejia, Eligio C. Obille Jr., and Merle C. Tan

    Illustrators : Alvin J. Encarnacion , Rizaldo Ramoncito S. SalivaLayout Artist : Cecile N. Sales

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    he Earths atmosphere is comp /%+0 )( / .%++&*($7+" V($ G&(C )*/)1+7-0+7 &-)%(.+& /&0 (M4.+&? T/ rths atmosphere contains )%/2+ ./7+7 7$2*/7 2/%1(& 0-(M-0+? C/)+% 3/>(%? 6+)*/&+? /&0 (W(&+" X-G+ )*+ .,/77 -& /.%++&*($7+? )*+ )%/2+ ./7+7 */3+ a similar effect on the uns rays " #*+4allo sunli ht to pass throu h resultin in the armin up of the Earthssurface. ut they absorb the ener y comin from the Earths surfaceG++>-&. )*+ Earths temperature 7$-)/1,+ 5(% ,-5+ (& T/%)*" #*+ >%(2+77 14

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