Hi, you need to think about all the different sort of acitivities that these groups of children might take part in or the routines that they have in each day eg. resting, playing, eating, washing, sleeping, toileting.
If you have a
development bookon amazon.co.uk it will help you research.
Other good reads are
accidents and child development where you can consider all the different risks or accidents that age grouped children might encounter and recognise how your presence helps to prevent them.
Development matters.
Not being risk adverse is about how important it is to understand the balanced approach to practice that keeps children safe and also enables them to experience risk -
best play by Play England
Climbing stairs, steps and ladders
Navigating items that are on the floor
Bouncing on trampolines
Using scissors
What children are doing whilst they are eating
Running on tarmac, gravel, concrete
Hth