5.6B

Study the picture. Will any of the lightbulbs light up in this circuit if the switch remains open?

• No, the circuit isn't closed with the switch open.

• Yes, only Bulb 3 will light up.

• Yes, Bulbs 2 and 3 will light up.

• Yes, Bulbs 1 and 3 will light up.

Study the picture. Which lightbulbs will remain lit if the wire is cut at the point where the scissors are located?

• Bulb 1 only

• Bulbs 1 and 2

• Bulbs 2 and 3

• None of the bulbs

Study the picture. Which wires can be removed from the circuit without breaking the circuit?

• Wires 1 and 2

• Wires 2 and 3

• Wires 3 and 4

• Wires 4 and 5

This circuit has three lightbulbs and a bell. Which procedure will result in only the blue lightbulbs operating? (5.6B)

• Close Switches 1 and 2 and leave Switch 3 open

• Close Switch 3 and leave Switches 1 and 2 open

• Close Switches 2 and 3 and leave Switch 1 open

• Close Switch 2 and leave Switches 1 and 3 open

Which of these best completes the circuit?

• rubber band
• metal nail
• leather shoelace
• wooden toothpick

A fifth grade class constructed this circuit.  Which of these objects most likely made the light glow when connected to points X and Y?

• plastic straw
• cotton string
• aluminum foil
• rubber eraser

This image represents what type of circuit?

• open
• closed
• series
• parallel

Will the light bulb in this circuit light and why/why not?

• yes, because it has two batteries
• no, because the switch is open
• yes, because it is in a circuit
• no, because the bulb is burned out

What type of circuit is represented by the diagram?

• closed
• series
• open
• parallel

Is the following photo of an open circuit or closed circuit? 

• A closed circuit which allows electricity to flow
• An open circuit which does not allow electricity to flow