In traditional classroom discourse, the teacher controls the discussion, asking most of the questions and calling on students to respond. This model does not work well for the inquiry-based classroom, which depends on engagement, peer interaction, and student ownership of learning. In this article, the authors present an alternative framework for…

As both classroom teaching practice and literature show, many students have difficulties learning science concepts such as density. Here are some investigations that 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.…

As science teachers, they understand the importance of gaining student interest to promote learning. They know how challenging it is to spark the curiosity to truly engage students in the processes of "doing science." One often-used method of motivation is the demonstration of science in action. Demonstrations such as "discrepant events". They are…