IB ESS HL 1.2.5 Open Vs Closed Systems Questions
Analyse HL exam questions by classifying lakes and global climate systems through the matter and energy exchanged across each boundary.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- Identify an open lake system from evidence that both matter and energy cross its boundary.
- Explain the closed-system model of global climate by stating that energy crosses while matter is retained.
Learn this topic
IB ESS HL 1.2.5 Open Vs Closed Systems Questions question 1
Figure:Simplified map of the Lake Shergar area
the municipal-waste recycling chart shown above: A simplified diagram of the Lake Shergar area.
The lake provides a water supply for the local population.
Outline why this lake may be considered an open system.
All question bank results loaded