money money money… sea treasure! (weekend school)

20181021_142935

Helena and her friend collected 185 sand dollars… independently while spending hours out on the sea on boogie boards while their adults watched from a considerable distance and let them do science.

  • We counted them
  • We watched them
  • We talked about the small area they got them from, so how many are there… millions?
  • We looked them up when we got home
  • We put them back -looking after living creatures

We are now talking mark and recapture and statistics…

Oh and rotational symmetry 😁

These are comments and questions and just stuff being read, we are not talking sit down while I impart some knowledge to you stuff…. I may just have to model some kind of nature study though as my interest has been piqued, but I don’t want to take over.. na I want to know!

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