Electricity

Which of these must a circuit have to work?

• Wires

• Cell/Battery

• Bulb/Motor/Buzzer

• All three

Which side of a cell does electricity flow from?

• Positive

• Negative

• Both

What does this symbol represent?

• Buzzer

• Cell

• Bulb

• Motor

What is wrong with this circuit?

• Nothing, it looks fine to me

• The switch is open, electricity won't flow

• The bulb has blown, that's why there's an 'x' through it

• The battery has been inserted the wrong way round

What is the wire inside of a bulb called that produces light?

• support wire

• contact wire

• filament

• electrical foot contact

Which of these is the correct symbol for a cell?

• 
• 
• 
• 

What type of particle carries electrical charge through the wires in a circuit?

• Neutron

• Electron

• Proton

• Confusion

Scientifically, how is the Earth charged?

• negatively

• positively

• expensive

What is an electrical conductor?

• a material that will not let electricity pass through it

• the name of a type of metal

• a material that will allow electricity to pass through it

• a little man who rides along with the electricity collecting tickets

Which of these materials is not an electrical insulator?

• wood

• rubber

• copper

• plastic