Science lessons in most Welsh schools are good but assessment isn't robust enough, according to school inspectors.
Estyn also says sometimes, in primary schools, teachers pass on their science misunderstandings to pupils.
The Welsh Government welcomes the report which it says is broadly positive.
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June Osborne, who has served as Dean of Salisbury for the past 13 years, has been chosen as the 72nd Bishop of Llandaff