Controlling Electrical Current

Solid, liquid, or gas that permit the flow of electrons.

• conductor
• insulator
• direct current
• complete circuit
• current

A path for electrons to flow from the power source to the consuming device and back to the power source.

• complete circuit
• insulator
• direct current
• current
• conductor

Non-conducting material lacking a sufficient supply of free electrons to allow for movement.

• insulator
• direct current
• complete circuit
• current
• conductor

A path for electrons to move through components and wires.

• circuit
• insulator
• direct current
• complete circuit
• current

Movement of electrons in a negative to positive direction along a conductor.

• current
• insulator
• direct current
• complete circuit
• conductor

Current that flows in one direction only.

• direct current
• insulator
• complete circuit
• current
• conductor

__________ and __________ are the most common metals used as conductors in electrical circuits.

(a)  

A material that creates a path in which electrons flow is called a/an (a)   .

Insulators have a resistance level that is (a)   .

Electrons change direction of flow frequently in __________ __________.

(a)