Classroom teaching practice and literature show that many students have difficulties with science concepts such as density. These investigations identify the relationship between density and floating through experimenting with successive dilution of a liquid, or the systematic change of concentration of a saltwater solution. The lessons follow the constructivist teaching model--invitation, exploration, proposing explanations, and taking action.
Details
Type Journal ArticlePub Date 4/1/2004Stock # ss04_027_07_38Volume 027Issue 07