The conversation starts quickly as two students come together in a 10th grade social studies classroom, half-way through a role play activity a symposium begins. Both students are sporting "Hello, my name is…" stickers on their shirts, and each attempts to speak in character. One represents an anti-whaling activist. Helen stands holding…

Many students, even after formal science instruction, have not developed a scientifically acceptable concept of "living,""animal," or "plant." Therefore, as part of the action-research phase of the Learning in Science Project, a working group was formed to explore (with teachers) some possible strategies aimed at…