It is fascinating to listen to middle school students talk about food for plants and animals and how that food is used. Some students describe ideas that are essentially correct. Some comments suggest that students are familiar with the content, but their understanding is incomplete or includes inaccuracies. Finally, some students have little…

The study reported in this paper intended to trace what Chinese children think about life and identify their naive theories. Fifty-eight 5-year-old children in Taiwan from 39 kindergartens were interviewed using a semi-structured instrument. Results indicate that preschool children have preconceptions about the concept of life even before entering…

This document contains hands-on, open-ended laboratory activities that can be done in the classroom on a shoestring budget. They are aimed at increasing students' excitement and curiosity about science and enabling them to develop a better understanding of the nature of science, take an active role in their own learning process, and develop…