Rainbow Paper
Hello readers, of course this is another science experiment. In class we are learning about Chromatography. Its where you separate colours I think. This is what we had to write down today.
Aim: To separate colours by using the process of chromatography.
Definition: Chromatography is a method of separating out materials from a mixture using a liquid.
Materials:
1. Boiling Tube
2. Marker
3. Water
4. Special Paper
5. Scissors
6. Test Tube Stand
Process:
step 1: Cut up the filter paper in strips ready to write on the felt pens.
step 2: Rule a line 1 cm from the bottom of the paper strip.
step 3: Put about 8ml of water into the bottom of the boiling tube.
step 4: Put two coloured pen dots on the pencil line.
step 5: Drop the paper strip into the boiling tube and once it is touching the water at the bottom you can crease the top of the paper over.
step 6: Watch, take 2 photos and observe.
Definitions:
Capillary Action: another term for capillarity.
Solvent: able to dissolve other substances.
Conclusion:
What colours changed the most? Orange
How many new colours could you see? Brown
Which colour travelled the furthest? Green
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