IB ESS 7.3.2 Solid domestic waste (SDW)
IB ESS 7.3.2 Solid domestic waste (SDW)
Practise reading SDW composition and disposal data, calculating proportions, estimating landfill reductions, and completing labelled bar charts.
How this is tested
- calculate SDW percentages for materials such as paper, plastic, glass and metal
- estimate changes in landfill waste from a graph using correct units
- complete and label a bar chart from calculated SDW composition data