Worksheets and lesson ideas to challenge students aged 11 to 16 to think hard about heat transfer (GCSE and Key Stage 3)
This is one of my favourite demonstrations and is a fantastic use of cognitive conflict to get students to reconsider their own ideas about hot and cold surfaces, temperature, conduction, energy transfer and insulation. Make sure students have a sound understanding of the particle model before approaching conduction or convection.
Modelling convection – let’s make a tea bag fly!
This is a really great and simple demonstration. Get a posh tea bag (the one with the string) and remove the staple. Unfold the tea bag and remove the tea. Get the bag into a cylinder shape and stand upright. Light the top of the tea bag and stand back. This is a safe demonstration that will get students thinking about convection.