Making links between subjects
important to encourage studentsto make links to other subjectsa and biuld on previuos knowledge
(1) physics where electrostatics is covered - Van de Graff; electricity, flow of charge
(2) Geogrpahy - lightening - due to build up of charge in clouds - energy released
Images - llightening / effect of Van de Graff - series of CLICK and reveal questions to follow.