Skittles experiment

                                                                                                                                          

Skittles

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

Materials;

1. Circle Container.
2. 5 different coloured skittles.
3. water.


Process:

Step 1: Spread skittles evenly. 
Step 2: Fill circle container with water.
Step 3: watch the colours spread.
Step 4: take pictures.
Step 5: eat skittles.

Findings: I found that the colours drain from the skittles and into the water.

Extension:

What is another experiment you could do using chromatography and how would you do it.

Title; traffic light experiment

Aim: to have the three colours separate

Materials: Water, green, yellow, red food colouring, cup and vegetable oil.

Process: Put some water in a cup then add a drop of red food colouring. After add some oil. Put some water in the cup then add a drop of yellow food colouring. After add some oil.Put some water in the cup then add a drop of gr food colouring. Now you should have a traffic light.