1. Editorial

   • David F. Treagust

   Editorial Introduction Open access Pages: 255 - 257

2. Relationships among Selected Jamaican Ninth-Graders' Variables and Knowledge of Matter

   • Lolet Edwards
   • Kola Soyibo

   OriginalPaper Pages: 259 - 281

3. Students' Appropriation Process of Mathematical Ideas and Their Creation of Hybrids of Old and New Ideas

   • Kazuhiko Nunokawa
   • Masashi Kuwayama

   OriginalPaper Pages: 283 - 309

4. Analysis of Satisfaction and Perceived Learning of Science in Different Distance Education Delivery Modes for Rural Elementary School Teachers Involved in a Professional Development Project

   • Leonard A. Annetta
   • Justin C. Matus

   OriginalPaper Pages: 311 - 331

5. The Implications of Culture and Identity: A Professor's Engagement with a Reform Collaborative

   • Tarin H. Weiss
   • Allan Feldman
   • Brenda Capobianco

   OriginalPaper Pages: 333 - 356

6. The Impact of a State Systemic Initiative on U.S. Science Teachers and Students

   • Douglas Huffman
   • Francis Lawrenz

   OriginalPaper Pages: 357 - 377

7. Instructions for Authors

   Instructions for Authors Pages: 379 - 382