1.   Curriculum specialists from the Council for Basic Education travel to these meetings, guiding curricular discussions and showing teachers how to format student work for the Web site.

2.   Joshua D. Baron, a curriculum specialist at Stevens, has put together Internet packages that help instructors do experiments about genetics, volcanoes or tides and waves.

3.   Each text was evaluated by two independent teams of middle school teachers, curriculum specialists and professors of science education.

4.   Textbooks are generally reviewed by teachers, administrators, parents and curriculum specialists before the books are used in a classroom.