Examlex
What marks the beginning of representational thought? When children begin to ____.
Conductors
Materials that allow the flow of electric current through them, often used in electrical wiring and components.
Insulators
Materials or objects that do not easily conduct electricity, used to prevent unwanted flow of current.
Electromotive Force
The energy supplied per charge by a source of electrical energy, such as a battery or generator, measured in volts.
Volts
The unit of measurement for electric potential difference or electromotive force, central to understanding electric circuits.
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