Parts of a circuit

A _______________ opens and closes an electric circuit.

• Transformer

• Switch

• Source

• Conductor

For electrical energy to flow, there must be a(n) ______.

• good battery
• copper wire
• on/off switch
• closed circuit

Which of the following is an insulator

• iron

• Aluminum

• Wood

• copper

Does the bulb light up?

• Yes

• No

Does the bulb light up?

• Yes

• No

Is this circuit complete or incomplete.

• Complete circuit

• Incomplete circuit

Is this circuit complete or incomplete.

• Complete circuit.

• Incomplete circuit

The plus sign on a battery shows which terminal?

• Positive

• Negative

The minus sign on a battery shows which terminal?

• Positive

• Negative

When a circuit is open, the circuit is _________?

• On

• Off

Tags

NGSS.4-PS3-2