I tend to use the balls rolling down the hill into a valley analogy. They seems to have a good grasp that objects are more energetically stable lower down (stuff drops) and then gradually linking to the energetic well. Never perfect, but stops them anthropomorphizing atoms (mostly...).

Thanks Catherine.

It's interesting how much the staff also see their growth and development in the model.

They were the days!

Nice :) Lego blocks for me, which are also very useful for teaching compound formation.

They certainly do! Will play it by ear to start with - probably once a week, about 10 minutes.

I'm looking to develop more through-year practice and revision in and out of lessons.

Go for it Helen. I think you'll find a good readership.

It's quite nice having a feed full of #educhat again!

Thanks Helen - seems like a lot of old friends have moved over here. Hope your summer is going well.