Water is crucial to human life, but it can also be a killer. Water contaminated with micro-organisms or chemicals, which is then used for drinking or cooking, 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.

In the UK, clean, drinkable tap water is taken for granted; however, in other parts of the world supplies of water are often unsafe to drink unless properly treated. Filtering water is a huge enterprise and often big business. Water can be filtered to improve the quality and taste in safe tap water areas or as a necessity for those travelling and living in other countries.

Many advertisers make claims about what their product can achieve some of which may be incorrect. Other claims may not be but, due to lack of knowledge on the part of the consumer, may not fulfill their need. In the case of drinking water this could be potentially dangerous. These resources look at what is required to provide safe, clean drinking water and explore the claims of those selling filtration equipment.

 

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Engineers Can Save Lives

This activity provides a quick introduction to a lesson 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.

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Filtering the Truth

This activity asks students to work in teams to design an experiment or experiments which will test the claims of companies producing various types of domestic water filtration equipment. All teams can be given the same advert or all four adverts can be distributed for...

Filtering Water

In this activity, students to investigate different possible ways of filtering dirty water to improve its cleanliness by designing and building their own water filtration systems. The lesson can be extended with a practical session in which students work in small teams...

Killer Water

This starter activity focuses 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...

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