Kia Ora,
Aim: To separate colours by using the process of chromatography.
Definition: Chromatography is a method of separating out materials from a mixture.
Materials;
1. Felt pen
2. Chromatography paper
3. Test tubes
4. Water
5. Test tube rack
Process:
Step 1: Get in a group of 5/6
Step 2: In your group get different coloured felt pens and some chromatography paper
Step 3: Colour a dot on the bottom of the special chromatography paper strip
Step 4: After that fill it up with a bit of water and let it sit and see that the colour will rise up.
Conclusion:
How many new colours could you see? Blue, Purple, Pink, Red, Orange, green.
Which colour travelled the furthest? Canada's went the furthest
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