Change Immersion The Whangarei Fire Service came to the school and demonstrated how to make foam. We learnt that it is made from mixing air, water and foam chemicals together in a foam machine. The Fire Service use foam to smother fires. Print or Save this Post By Mrs Wendt| 2023-02-14T14:11:15+00:00 8th May 2014|2014 Posts|Comments Off on Change Immersion Share This with Family and Friends! FacebookTwitterLinkedinPinterestEmail About the Author: Mrs Wendt