, , ,

 Module 5 – Extra material 1

Video

Look at the  video about induction casting, then complete the following if sentences.

  1. If you place a bar of metal alloy inside a heating coil ……………………………………………….
  2. If the molecules move ……………………………………………….  
  3. ……………………………………………….  it starts changing colour.
  4. If the temperature gets high enough, ……………………………………………….