An investigation into osmosis helps pupils understand the scientific process behind solar drying, a major technique used to preserve food in the developing world. Pupils also design a solar dryer
Lesson 1 - Drying Stuff
Lesson 2 - Osmosis
Pupil worksheets for this pair of lesson are below.
It's a good business
Additional resource for this pair of lessons
practicalaction.org/technical-briefs-schools-food A number of technical briefs including one on solar dryers