Tables of contents

EDITORIAL

Chris Botton

1

Professional development for computer-enhanced learning: a case study with science teachers

Nicos Valanides and Charoula Angeli

3

Virtual teamwork: students studying about ethics in an online environment

Wan Ng

13

Effects of group work training on science attainment in rural and urban schools

A Thurston, KJ Topping, D Christie, C Donaldson, CJ Howe, E Jessiman, K Livingston and A Tolmie

31

Teaching chemical bonding through jigsaw cooperative learning

Kemal Doymus

47

Facilitating students' conceptual understanding of boiling using a four-step constructivist teaching method

Muammer Çalik

59

Girls' biology, boys' physics: evidence from free-choice science learning settings

Ayelet Baram-Tsabari and Anat Yarden

75

Development of a support environment for first year students taking materials science/engineering

Tahar Laoui and John O'Donoghue

93

Learning objects for educational applications via PDA technology

Daniel Churchill, The University of Hong Kong

5

Graduate students' perspectives on the meaningful nature of online discussions

Jianxia Du, Mississippi State University; Ke Zhang, Wayne State University; Anthony Olinzock & James Adams, Mississippi State University

21

Online collaborative learning and communication media

Byron Havard, University of West Florida; Jianxia Du & Jianzhong Xu, Mississippi State University

37

ExplaNet: A collaborative learning tool and hybrid recommender system for student-authored explanations

Jessica Masters, Boston College; Tara Madhyastha, University of Washington; Ali Shakouri, University of California at Santa Cruz

51

Re-dimensional thinking in Earth Science: from 3-D virtual reality panoramas to 2-D contour maps

John Park & Glenda Carter, North Carolina State University; Susan Butler, Gulf Coast Community College at Panama City; David Slykhuis, James Madison University; Angelia Reid-Griffin, University of North Carolina

75

Non-native speaker interaction management strategies in a network-based virtual environment

Mark Peterson, Kyoto University

91

An incremental model for developing educational critiquing systems: experiences with the Java Critiquer

Lin Qiu, State University of New York; Christopher Riesbeck, Northwestern University

119

Learner–information interaction: A macro-level framework characterising visual cognitive tools

Kamran Sedig & Hai-Ning Liang, The University of Western Ontario

147

Editorial: From me to we: writing the 'other' into narratives of hope in education

Mary Kooy

119

Education and the dangerous memories of historical trauma: narratives of pain, narratives of hope

Michalinos Zemblyas and Zvi Bekerman

125

Listening to students, negotiating beliefs: preparing teachers for urban classrooms

Katherine Schultz, Cheryl E Jones-Walker and Anita P Chikkatur

155

Male teachers as role models: addressing issues of masculinity, pedagogy and the re-masculinisation of schooling

Wayne John Martino

189

After the bell: Water harvesting II: working toward being green

Stephen J Farenga, Daniel Ness and John A Craven

Bumpy, sticky and shaky: nanoscale science and the curriculum

Amy Taylor, Gail Jones and Thomas P Pearl

Editor’s roundtable: Beyond the classroom walls

Inez Liftig

Going on a science trek!

Gail Yohe Kreider

Making mitosis visible

Michelle Williams, Marcia C Linn and Gail P Hollowell

Outstanding science trade books for students K–12 (books published in 2007: Science Scope)

Juliana Texley

Problem solving with patents

Jerilou Moore and William J Sumrall

Science safaris: Developing bold academic explorers outside the science classroom

Nancy Heilbronner

Science sampler: Making science relevant with an integrated curriculum

WR Klemm, Larry Johnson and Vince Hardy

Science sampler: Wade in the water – school, parent, and community collaboration

Amos Simms-Smith and Donna R Sterling

Science sampler: Wanted – citizen scientists

Marsha Sega

Science sampler: Water-use awareness

Randy Hall

Scope on safety: Should we pull the plug on wireless computer networks?

Ken Roy

Scope on the skies: Tracking planets around the sun

Bob Riddle

Tried and True: Volcano résumés

Sandra Rutherford and Cindy Corlett