Planning boards can support each stage of the enquiry process.  These fair test planning boards can be used to support whole class or group discussions. They are designed to be used with post-its, which get moved along at each stage.

(Adapted from Goldsworthy et al. 2000)

One teacher explains how they use planning boards in this video – copy and paste this into a new tab: https://youtu.be/VNcG2OFE9qU