The following resources may assist you in embedding STEM in your EC service:

Check out EVENTS  for AGECS Workshops on STEM run by Dr Coral Campbell

How Is Your Service Embracing The ‘Big Change’ In STEM?
Read this post by EDUCA
https://www.geteduca.com/blog/embracing-the-big-change-in-stem/

STEM in Early Childhood: How to keep it simple and fun
Presentation by Dr Pauline Roberts
http://www.ecaconference.com.au/wp-content/uploads/2016/11/Roberts_P_STEM.pdf
This presentation includes useful links to websites and publications

Early Learning STEM Australia (ELSA) – Research Project by University of Canberra
https://elsa.edu.au/educators.html
Lots of useful information about STEM and invitation to join the project.