Shocking Fruit

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In this activity, learners discover how a piece of fruit can act as an electrolyte, conducting electricity between two different metals. In this way, learners construct a simple battery and record their observations. Educators can use this activity to introduce circuits, electrodes, and electrolytes. After completing this activity, learners can explore other fruit and vegetable conductors.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$10 - $20 per group of students

Age Range:
Ages 8 - 11

Resource Types:
Activity, Experiment/Lab Activity


Materials List (per group of students)

  • Milliammeter (mA)
  • Copper electrodes
  • Zinc electrodes
  • Two wires
  • Steel wool
  • Lemons
  • Limes
  • Oranges
  • Tray for fruit
  • Potato clock
  • Data sheets
  • Markers


  • Physical Sciences
    • Electricity and Magnetism
      • Electric Charges and Currents
      • Electric Circuits
    • Chemistry
      • Acids and Bases


To use this activity, learners need to:

  • see
  • read
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


This resource is part of:

Access Rights:

  • Free access



  • All rights reserved, Children's Museum of Houston,