Junior School Teacher Question:

► Explain the diffusion of potassium permanganate in water as if I was teaching a pre-GCSE class.
► How does a small plant turn into a big tree?
► What is voltage and current?
► How does salt dissolve in water?
► When you bite an apple, what happens between your mouth and stomach?
► How does a microwave work? Why does the plate inside rotate?
► I throw a pen up in the air and it lands on the table - what are all of the forces acting on this pen?
► What is an X-ray is and how does it work (but imagine you're explaining it to an 11 year old)