Construction and Organization

Lemon battery

Leitfähigkeit von Materialien Zitronenbatterie
  • 4 x lemos
  • 4 x copper nails
  • 4 x tin nails
  • several cables
  • 1 x LED
  • 1 person
Group size
  • 2 - 4 children
  • With the help of the supervising person, the children build up the lemon battery and then test it with the aid of the light-emitting diode (LED).

  • Specific questions of electrical conductivity and the mode of operation of the experiment are explained in a child-friendly way.

Conductivity test with a small homemade circuit


Leitfähigkeit von Materialien Schaltung

  • 1x 9 V-battery pack
  • 1x breadboard
  • 4 wires with stripped ends
  • 1x LED with series resistor
  • battery clips
  • 1x screwdriver
  • 1 - 2 persons
Group size
  • 5 - 10 children
  • Task distribution and subsequent explanation of the worksheet.

  • Structure of the circuit with appropriate assistance, if necessary.

  • Independent testing of the conductivity of various materials, from the pencil case of the children, with the help of the circuit.

  • The results of the experiment are then noted on the worksheet and then evaluated with the group.

Last Modification: 19.04.2023 - Contact Person: Webmaster