Thirty papers from the International Symposium on Fieldwork in the Sciences (ISFIS) are presented. The program was divided into four blocks: (1) trends in fieldwork and curriculum aspects; (2) fieldwork activities, followed by discussion and reflection; (3) implementation and dissemination; and (4) field excursions to typical Dutch landscapes. Topics include world trends, curriculum development, international approaches, interdisciplinary approaches, preschool education, the role of fieldwork in environmental education, nature excursions, computer applications, reference collections, teacher training, project descriptions, implementation of fieldwork, science activities in biology and physics, field studies, and ecosystem change. Also included are an analysis and impression of symposium papers and a review of the workshops held. (KR)