Age range: 11-14 | 14-16
Duration: 0 - 29 mins
  • Biology
  • D&T

Killer water

Identify the ways in which water can be hazardous to human health

Water is crucial to human life, but it can also be a killer.

Drinking or cooking water contaminated with micro-organisms or chemicals is a leading cause of disease and death across the world. Poor facilities for the disposal of sewage and other waste water can quickly lead to the spread of dangerous diseases.

Lack of efficient drainage systems and flood defences can lead to catastrophic flooding, as has been seen in several different areas of the world in the past few years.

Activity info,  teachers’ notes and curriculum links

An engaging starter activity focusing on the link between water and health. It encourages students to think about the role of engineers in providing us with healthy water supplies and waste-water disposal systems by thinking about the different ways in which water can be hazardous to human health.

The activity sheet includes teacher notes, guidance, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved UK nations; England, Northern Ireland, Scotland and Wales.

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Activity overview

Killer Water activity description, teachers' notes and curriculum links.



DHMO Hazard statement - looking at water as a potentially hazardous chemical.



How important is water to human life? Take the quiz and test your knowledge - but be careful because each wrong answer will result in an increase of bacteria in the water supply

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