![Build a model water catchment activity diagram.](http://static.sciencelearn.org.nz/images/images/000/004/259/full/RAU_ITV_Image_map_05_Water_flows_and_catchments_BuildAModelCatchment.jpeg?1674173602)
The activity Building a model water catchment provides students with a three-dimensional experience of water catchments. Students can build a large outdoor model or smaller catchments using tote trays.
The activity provides a useful context in which to discuss models in science – why scientists use them, the similarities and differences between the model and a real catchment and the benefits and drawbacks of using a model.
Acknowledgement: Rivers and Us, Waikato Regional Council