-Insulated copper wire. (length in cm. according to what you create...aporx.30 cm...).
-4,5 volt battery. (be careful not to test circuit a lot...it might run out of battery...).
-3,5 volt light bulb in its holder (at least one...maybe more...according to what you create).
- switch.
-eletrical tape.
-scissors.
IDEAS

QUESTIONS AND ANSWERS


When we choose the right answer the circuit CLOSES, so the bulb is on.