4ELEC-2
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Contents
Outcomes
- Pupils can describe dangers and uses of electrostatic charge
Specification References
2.24 explain electrostatic phenomena in terms of the movement of electrons
2.25 recall the potential dangers of electrostatic charges, e.g. when fuelling aircraft and tankers
Starter
- Revise charging by friction
Main Body of Lesson
- Using the Van de Graff generator. Demonstarte many of the 'toys' whilst asking the pupils to explain the effects that they see. Revise dangers by using the Van de Graff to light a bunsen. Can also show the Whimshurst machine (not to be used to shock people due to high current. Pupils should be encouraged to join in but not forced to. If there is time have pupils draw and explain their favourite example shown by the Van de Graff.
Plenary
Homework
Additional Information
Resources Required
Textbook References
- Complete Physics Page 173.
Website References
Skills Addressed
Safety/Hazards
- High voltages
- Beware pacemakes, heart conditions, cochlea implants etc.
- No "human capacitors"
- Don't use the Whimshurst machine to shock people
