This study aims to understand middle and high school students' ecosystem knowledge including knowledge about the food web, food pyramid, and energy flow. The data were collected from 250 middle school and high school students. Students' drawings were used to collect data and coded as correct, wrong, or no answer. Then, students' wrong answers were…

There is growing global concern concerning South African learners' mathematics achievement, with research identifying many factors contributing to poor mathematics achievement, with class size being one of them. When classrooms are overcrowded, this may lead to a stressful environment which can negatively impact the quality of teaching and…

This article analyzes students' perspectives on sustainable development, environmental justice, and concomitant environmental education programs at two international schools in Singapore. Data include surveys of over 250 students and 19 focus-group interviews with 300 students. In addition to having a detailed and nuanced understanding of the…

Providing model-based accounts (explanations and predictions) of water and substances in water moving through environmental systems is an important practice for environmental science literacy and necessary for citizens confronting global and local water quantity and quality issues. In this article we present a learning progression for water in…