Skittles
Chromatography is a technique for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates.
Aim: To separate the colours from the skittles by using chromatography.
Materials:
1: Skittles
2: Petri dish
3: water
Method
1:Place skittles around edge of petri dish
2:carefully put the water into the middle of the dish
3:Watch to see which colours reach the middle first
Findings
Green=4
yellow=3
orange=4
Purple=8
red=3
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