Galvanisation

Article no. P1375200 | Type: Experiments

10 Minutes
10 Minutes
grades 7-10
Pupils
medium

Principle

Items of practical use are frequently coated with a layer of nickel, chromium, silver or gold, for aesthetical reasons or as protection against corrosion. The coating process is carried out electrochemically, and is called galvanisation.
The students are to coat a part of a sheet of iron with a layer of metallic copper in a model experiment.

Benefits

  • No additional cable connections between the building blocks needed - clear arragned and quick setup
  • Contact saftey due to puzzle blocks system
  • Corrosion-free gold plated contacts
  • Doubled earning sucess: Electric circuit diagram on top, real components can be seen unterside

Tasks

How can the surface of a base metal be made more noble?

Demonstrate, in a model experiment, how a sheet of iron can be coated with a layer of copper.

 

Name
File name
File size
File type
(en) Experiment guide
p1375200e .pdf
File size 0.34 Mb
pdf
(de) Versuchsbeschreibung
p1375200_de .pdf
File size 1.16 Mb
pdf
(es) Versuchsbeschreibung
p1375200_es .pdf
File size 1.13 Mb
pdf
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