Learning about Ecosystems in a Computer Supported Collaborative Learning Environment

Abstract: This paper explores how a group of students collaborated in understanding ecosystem processes in a technology intense learning environment. The technology (hypermedia, NetLogo simulations and ACT toolkit) provided opportunities for students to engage with complex phenomena and understand the dynamic nature of the ecosystems. It is difficult for learners to understand ecosystems as they have not had the opportunity to observe and engage the multidimensional processes of the ecosystem. Computer-supported collaborative learning environments can provide opportunities for students to understand ways of organizing ecosystem understanding, interact with simulations that provide a context for collaborative discussion and engagement, and use modeling tools that provide a focus for negotiation understanding. In this paper we present results from a CSCL learning environment created to help students understand aquatic ecosystem processes. The environment was designed to help middle school students develop a deep understanding of ecosystem processes using a structure behavior and function approach (Goel et al 1996). The SBF approach was applied to an ecosystem model by using the following guidelines: Structure refers to components of an ecosystem that have form. Structures can be macro (e.g Fish, plants) or micro (e.g bacteria, fungi) in nature. Behavior represents system mechanisms and processes. Finally, functions are roles the structures play in an ecosystem. The premise of using the SBF approach is tha