Structured Practice

Punjab: Everyday science: safe drinking water

Descriptive Answer

Descriptive Answer 20 marks 35 minutes 500 words

Compare boiling, chlorination, filtration, and safe storage, including limitations and appropriate use.

Practice workspace

Write notes or your response

35:00

Suggested approach

Show calculation or reasoning; state assumptions; connect technical findings with administrative decisions.

Self-assessment rubric

Accuracy 35%; reasoning 30%; application 25%; clarity 10%.