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Showing posts with label beaker. Show all posts
Showing posts with label beaker. Show all posts

Friday, 19 March 2021

Skittles

 Aim.. To use water to extract the dye from skittles using the process of chromatography. 

Materials

1 5 Skittles 

2 Water 

3 Petri dish 

4 Beaker 

Process 

Step 1 place the skittles into the petri dish around the edges 

Step 2 pour 50 ml water gently into the middle of the petri dish   

Step 3 watch the colour combination.

Here is a class Graph on what colour came shown first 

Colour

Tally

Number

Green


0

Yellow

l

1

red

llll/ l

6

Purple 

ll

2

Orange 

l

1


Why do they bleed out at the same rate. Because they are the same flavour 

Why do the colours not mix together. Because of the sugar