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Conductor
A material in which electrons can move easily through the material.
Electric charge
A property of matter that can be positive or negative and causes electrical interactions (attraction or repulsion) between objects.
Electrostatic force
A force of attraction or repulsion between electric charges.
Grounding
Grounding (earthing) is the process of transferring excess charge safely to the Earth.
Induction
A way of reasoning where general principles are drawn from specific observations.
Example
Observing many white swans and concluding “all swans are white.”
Insulator
A material in which electrons do not move easily, so transferred charge tends to remain localized.
Static electricity
Static electricity is the accumulation of electric charge on an object, usually caused by the transfer of charge between materials.
Triboelectric series
A ranking of materials by how strongly they tend to lose electrons (becoming positive) or gain electrons (becoming negative) when in contact and then separated.