Please use this identifier to cite or link to this item:
https://repository.isls.org//handle/1/8502
Title: | Middle School Students’ Learning in Energy Flow and Matter Cycling in the Ecosystem |
Authors: | Cang, Xuesong Gnesdilow, Dana Dey, Indrani Puntambekar, Sadhana |
Keywords: | Learning Sciences |
Issue Date: | 2022 |
Publisher: | International Society of the Learning Sciences |
Citation: | Cang, X., Gnesdilow, D., Dey, I., & Puntambekar, S. (2022). Middle school students’ learning in energy flow and matter cycling in the ecosystem. In Chinn, C., Tan, E., Chan, C., & Kali, Y. (Eds.), Proceedings of the 16th International Conference of the Learning Sciences - ICLS 2022 (pp. 1417-1420). International Society of the Learning Sciences. |
Abstract: | An ecosystem is a complex system, including multiple layers of organization, complex interconnections among components, and invisible dynamic processes. Research shows that learners’ often see energy and matter in ecosystems as mostly a linear, not cyclic, pattern. This study examined 35 students’ energy and matter models at three points (pre, mid, and post) and interviews from 7 students during a Compost unit focused on ecosystems. We coded the models to examine students' understanding of energy and matter over time and included excerpts to show students’ ability to identify system components and understand energy flow and matter cycling. We found that more students explained energy flow by including observable and nonobservable organisms and process. Even though more students explained matter cycling as cyclic by including invisible process (decomposition), this was mostly at a superficial level. Students also conflated the terms “matter” and “energy”, often using them interchangeably. This indicates a need to better assist students explicitly understand the two processes and how they are connected. Key words: complex system, energy flow, matter cycling |
Description: | Short Paper |
URI: | https://dx.doi.org/10.22318/icls2022.1417 https://repository.isls.org//handle/1/8502 |
Appears in Collections: | ISLS Annual Meeting 2022 |
Files in This Item:
File | Size | Format | |
---|---|---|---|
ICLS2022_1417-1420.pdf | 342.3 kB | Adobe PDF | View/Open |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.