The Australian Curriculum explicitly includes the development of inquiry skills within:
Here are Word docs with the inquiry and skills content descriptors and elaborations for primary Science and HSS:
If you’re in a non-Australian context, please use the standards and continua that are relevant to your context.
Mal Lee (2014) The educational fallacy of an ICT Continuum
STANDARDS & CONTINUA
If you are in a school context, you will need to draw on the relevant curriculum (Australian Curriculum, state curriculum, International Baccalaureate) in your unit plan.