Demos suggestions to distinguish between a vector and a scalar:

1) Walking:

  • Walk from teachers desk to opposite wall - ask students how far have you walked (e.g. 2m). Ask them what distance you have traveled and what displacement you have traveled. Walk back to the same location. Distance = 4m, displacement =0m

2) demo 2:

  • Instructions:

3) demo 3:

  • Instructions: