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atoms

small particles that make up matter.

protons

positive charge.

electrons

negative charge.

induction

method of charging that rearrange charges in an object without direct contact.

thermocouple

uses temperature difference in wires to convert thermal energy into electrical energy.

friction

method of charging that occurs by wiping on object on another object-like the balloon on your hair.

conductors

materials that allow charges to move easily.

electric field

the region around a charged object where a force is exerted on other objects.

amperes(amps)

unit of measure for current.

electric force

force that exists between two charged object.

cell(battery)

generates electrical energy from chemical energy.

circuit breaker

switch that automatically opens if the current is too high.

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