What is Liquid?

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There’s a lovely museum near to us.  In the museum courtyard there is a pond.  At the moment it has tadpoles in it.  Kam loves it, he catches the tadpoles, watches them for a couple of seconds and puts them back into the water.

He began to ask about liquids, why he said liquids and not water I don’t know.  Then, he saw an insect land on the water and stand on it.  Mum, my bees die when they land in water, but those flies don’t, why?

Tell me about liquids.

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