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Learners take on the role of environmental engineers as they design water filters.

In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.

This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.

Water treatment on a large scale enables the supply of clean drinking water to communities.