Penn STI

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Changes (Teacher's guide) by National Science Resource Center (1), Performance Standards: Middle School English Language Arts, Mathematics, Science, Applied Learning v. 2 by New Standards (1), Force Motion and Energy by Uri Haber-Schaim (1), The Life Cycle of Butterflies: Teacher's Guide by Douglas Lapp (1), Measuring Time Teacher's Guide by National Science Resources Center (1), Energy, Machines, and Motion (Teacher's Guide) by National Science Resource Center (1), Shapes and Designs: Two-Dimensional Geometry (Connected Mathematics 2) by Glenda Lappan (1), Magnets and Motors: Teacher's Guide by National Science Resources Center (1), Land and Water (Student Activity Book) by National Science Resources Center (1), Human Body Systems: Student Guide and Source Book (1), Teacher's Guide Food Chemistry by National Science Resource Center (1), Floating and Sinking (Science and Technology for Children) by National Science Resource Center (1), Properties of Matter: Student Guide and Source Book (Science and Technology Concepts for Middle Schools) (1), Stretching and Shrinking (1), Chemistry: The Study of Matter and Its Changes by James E. Brady (1), Biology: Science for Life by Colleen Belk (1), Introductory Physical Science by Uri Haber-Schaim (1), Salmon by Education Development Center (1), Birds and Their Beaks by Olive L. Earle (1), Microworlds (Science and Technology for Children) by National Science Resource Center (1), Organisms: Teacher's guide by National Science Resource Center (1), Electric Circuits: Teacher's Guide by National Science Resources Center (1), Science, Medicine, and Animals by and Animals Committee to Update Medicine Science (1), Helping Your Child Learn Science by Nancy Paulu (1), AAAS: Atlas of Science Literacy Volume 1 by AAAS (1)