Forgery
Forgery is the copying of another persons writing or signature. Criminals use it for signing cheques falsely.
Aim: To figure out which pen is used to write a forgery letter
Hypothesis: We will know which pen was used.
Equipment: Beaker, Filter Paper, Pen, sellotape/sticky tape, Water.
Method:
1.First put a line on the filter paper 2 cm up and put a big dot above it.
2.Put the 50ml of water in the beaker.
3.Put the paper in the water and leave for 5 minutes.
4.Attach a piece of the letter to the paper with sellotape.5. Place the paper in 50ml of water.
_______________________________________________________________
_______________________________________________________________________________
No comments:
Post a Comment
To support my learning I ask you to comment as follows:
1. Something positive - something you like about what I have shared.
2. Something helpful - add more info or ask me a question.
3. Something thoughtful - how have you connected with my learning?
Note: only a member of this blog may post a comment.