Channel 4 Learning



SCIENCE
Scientific Eye: Materials and Their Properties 1
 
Rust
Aims
Programme Outline
Fire
Rocks
Limestone
Acids and Alkalis
Credits
Study Guide
TV Transmissions
Curriculum Relevance
Feedback
Print Version

Please use the menu on the left to navigate through this resource

Rust

Aims

Pupils should gain an understanding of:

  • How some elements combine through chemical reactions to form compounds;
  • The fact that compounds have a definite composition, and you can represent compounds by formulae;
  • Mass being conserved when chemical reactions take place;
  • Some chemical reactions not being useful e.g. corrosion of iron;
  • How acids in the atmosphere can lead to corrosion of metal.
  • The fact that most metals corrode, some more than others;
  • When chemicals react there is no change of mass;
  • The fact that for iron to rust both oxygen and water are needed;
  • How rusting can be prevented by protecting a metal surface from oxygen and water;
  • The fact that acid gases in the atmosphere speed up corrosion.