G5 3Q ELECTRICITY

Which of these materials is not a conductor of electricity?

• Plastic comb

• Power source

• Plastic toothbrush

• Metal screw

What provides the 'push' needed for electrons to flow in the loop?

• Battery

• Closed switch

• Wire

• Bulb

What happens to the brightness of the bulb when you add more bulbs in the circuit?

• Bulb turns off

• Bulb gets brighter

• Bulb's brightness remains the same

• Bulb gets dimmer

What happens if one of the bulbs is busted in a closed circuit?

• All bulbs will not light up anymore

• Some bulbs will light up

• All bulbs will still light up

• None of the above

What happens if one of the bulbs is busted in an open circuit?

• All bulbs will not light up anymore

• All bulbs will still light up

• None of the above

• Some bulbs will light up

What is the function of a plastic toothbrush in a circuit?

• Insulator of electricity

• None of the above

• Power source

• Conductor of electricity

What is the function of a metal screw in a circuit?

• Insulator of electricity

• Conductor of electricity

• None of the above

• Power source

What is the function of a power source in a circuit?

• None of the above

• Provides push for electrons

• Insulator of electricity

• Conductor of electricity

What happens to the electrical components in a closed circuit?

• None of the above

• Connected in a single loop

• Connected in two or more loops

• Disconnected

What happens to the electrical components in an open circuit?

• Connected in two or more loops

• None of the above

• Connected in a single loop

• Disconnected