Processes To Purify Water

After the completion of Topic 6 the learners will be able to:

• explain why clean water is important for people, plants and animals;
• describe ways of purifying water in class or at home;
• design, make and evaluate a simple system to clean dirty water (such as a sand filter) according to specifications and constraints;
• provide a summary of how water is cleaned by municipalities to ensure we have clean water in our homes.

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