After this lesson, you should be able to:

• Locate the origin of the two types of charge within the atom
• State and apply the principle of charge quantisation
• Distinguish between conductors and insulators in terms of mobile charged particles
• Understand and distinguish the conditions and causes of triboelectric charging
• Distinguish between conduction and other means of charge transfer
• State and apply the principle of conservation of charge in various scenarios
• Explain polarisation of objects and the attraction between charged and uncharged objects on the micro-scale level