Hurumanu - Rainbow Paper
Aim: To separate colours by using the process of chromatography.
Definition: Chromatography is a method of separating out materials from a mixture.
Eg. blood, ink, drugs,
Scenario
Scenario
A crime has been committed. The police have a signed cheque and a letter from the same crime scene but it seems like the handwriting is different. They have 3 suspects but not enough evidence. They need to know if the letter and the cheque were written by the same person.
How do they tell if the pens used for both of these pieces of evidence are the same?
How do they tell if the pens used for both of these pieces of evidence are the same?
Rainbow paper
Materials:
1. Cup
2. Felt Pens
3. Chromatography Paper
Process:
1: Grab a chromatography paper and cup
Step 2: Choose 2 coloured felts (dark colours)
Step 3: Use a pencil and a ruler and mark a line on the chromatography paper where it 1cm is
Step 4: Put colours on your chromatography paper
Step 5: Then put it in your cup that is filled with water
Step 6: Then wait
Conclusion: What have I learnt from this experiment?
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