AUSTRALIAN CURRICULUM INQUIRY CONTENT DESCRIPTORS & ELABORATIONS
The Australian Curriculum version 8.2 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:
Lupton, Mandy (2014) Inquiry skills in the Australian Curriculum v6: A bird’s eye view. Access. Vol. 28, No. 4, Nov 2014: 8-29.
If you are in a school context, you will need to draw on the relevant curriculum (Australian Curriculum, state curriculum, International Baccalaureate) in critiquing and designing a unit of work.