Electricity and Magnetism

Electrical lights will not come on unless their electrical circuit is a --

• parallel circuit
• series circuit
• closed circuit
• short circuit

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

What material would be safest to use as an insulator to cover electrical wires?

• rubber
• tin
• aluminum
• water

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

Which one is NOT an insulator.

• Plastic

• Rubber

• Paper

• Water

Two types of circuits are

• parallel and magnetic
• electromagnetic and series
• series and parallel

Is the circuit pictured complete or incomplete? 

• Complete
• Incomplete

What is the power source for this circuit?

• Battery
• Electric socket
• Wires
• Magic

Which of the following does not conduct electricity?

• gloves
• penny
• paper clip
• key

What type of circuit is this?

• series
• parallel