The document discusses different definitions and concepts of curriculum from various scholars and education experts. It defines curriculum as:
1. A planned set of courses designed for teaching and learning at a certain age level, according to Wortham.
2. A guidance for designing courses that considers outer factors like principles, environment, and needs, as well as inner factors like goals, content, sequence, format and assessment, according to Nation and Macalister.
3. The standards, benchmarks, and outcomes that delineate the content taught in science classrooms, according to Cottington.
The document also discusses traditional, essentialist, and experiential concepts of curriculum, and how curriculum can be viewed as subject