In fact, armed with a few basic raw materials, such as sand, gravel, activated charcoal and used plastic water bottles ...
WA students are solving the world's water woes
If Year 7 science students from Belmont City College ever find themselves stranded in a remote area without access to clean drinking water, there will be no need for full-scale panic.
This story appeared in the September 2015 edition of Australian Teacher Magazine.
