The development of inquiry and project-based materials is challenging in many ways, not the least of which is the design of supports for teachers implementing such materials. We report on the design of educative and just-in-time teacher supports for an online project-based unit in ocean science. The teacher supports were visible as tabs on the…

The concept of a community of practice (CoP) is prevalent in several venues for teachers' professional development, especially in online environments. However, there are few descriptive accounts that effectively represent a CoP in a manner that will be of use to other designers. In order to illuminate potential difficulties which may arise when…