"This is a subject that gets covered once a year in my class. The ideas of using stories and animation was a great way in for younger children." (Comment on Where Do Medicines Come From)
The Teacher information contains suggested points which might be raised as the story is told. Depending on the children, some or all of these points might be raised either as the story unfolds or on a second, more analytical reading.
For a fuller description of the development of a medicine visit the animated timeline.