Rainbow paper/skittles

Aim: To separate colours by using the process of chromatography.

Definition: A technique for separating the different parts of a mixture / solid using liquid.

Rainbow paper

Materials;

1. paper

2. water pens colours red green and black

3. water

4. cup

5. ruler

6. pen/pencil 

Process:

Step 1: draw a 2 cm away from the top and draw a 1 cm line a way from the bottom

Step 2: draw 3 dots on the bottom of the 1 cm one red one green and one black.

Step 3: put it in the cup.

Step 4: fill the cup up to the line with the dots with water.

Findings: the dots were going up with the water up the paper. the black was turning blue and the green was turning yellow and the red was going lighter.

Reflection: I learnt maybe I will do it in lines and see how it will turned out

Skittles

Aim: To separate colours by using the process of chromatography.

Materials;

1. five skittles colours red purple green yellow orange 
2. plastic container
3. water
4. cup


Process:

Step 1: put the skittles in the container edges.  
Step 2: pour water in the cup from tap.
Step 3: pour the water from the cup.

Findings: the skittles each colour formed triangle and then merged into brown water and the skittles went white.

Reflection: spreed the skittles out so the experiment will work better. 

the colours made a triangle to the middle and then merged into brown grows water.