Materials needed

Here are the materials needed for the trial run:

- 2 Beakers (250ml)
- 2 insulated copper wires (with crocodile clips) (20cm)
- 2 microcentrifuge tubes (15 ml)
- 2 copper sheets (5cm x 5cm)
- NaCl (Sodium chloride) solution
- Solid agar (3cm x 5cm x 5cm)
- Multimeter
- 1000 OHM resistor
- Filter paper
- Water
- E. coli