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7SC- Water For Life - Mixtures, Solutions & Suspensions: Task

Apply scientific principles to designing a water filter for developing countries

Water For Life

Task:

Develop a filter system to be used by a population in a third world country.

Things to note:

The water is taken from a local well
The water will need to be drinkable
The water in the well contains the following:
- Coarse sand
- Fine sand
- Plant debris
- Microbes (contamination)
- Soluble substances such as salt

Extension of task:

How can this filter be improved to make it reusable (used a number of times)

Student Resources

Developing questions

Simple distillation

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