Chromatography Experiments

Colour Experiment.

Today in science we had 2 experiments, the first one was rainbow paper, the second one was skittles and water. 

Rainbow Paper

Aim: To separate colors by using the process of chromatography

Materials:.

1. Chromatography Paper

2. Felts

3. Cups

4. Water

5. Ruler

6. 

Process:

Step 1: Get Chromatography paper.

Step 2: mark 2 cm from the top downwards and from the bottom 1 cm upwards. 

Step 3: Draw 3 dots on the 1 cm line with green, red and black felt. 

Step 4: Put the paper in the cup hanging from the 2 cm line.

Step 5: put water up to the 1 cm line. 

Step 6: Watch the the end result.

Reflection: It was fun to make and it worked out great!!

Skittles:

To separate colours by using the process of chromatography

Materials;

1. Skittles
2. Water
3. Container


Process:

Step 1: Get a container
Step 2: Spread the skittles out in the container
Step 3: Put water in the container
Step 4: Watch the end result

Findings: The colours did not mix together, they made lines in between

Reflection: I enjoyed doing the skittles experiment and the end results looked great!

Extension:

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

Title: Pop Rocks Experiment

Aim: To find out why balloons inflate when we put pop rocks in soda

Materials: Pop Rocks
        Soda
             Balloons
           Funnel

Process: 
Step 1: Place the funnel in the end of the balloon
Step 2: Empty the packet of pop rocks into the funnel
Step 3: Tap the funnel so all the pop rocks go into the balloon
Step 4: Place the balloon over the mouth of the soda bottle
Step 5: Tip the balloon up to drop the pop rocks into the bottle.
Step 6: Stand back and watch the reaction!

Why do the balloons inflate?
Because there is carbon dioxide in both the pop rocks and the soda
When the pop rocks and the soda is combined, the CO2 is released into the balloon and filling it.

(Carbon dioxide is a colorless gas with a

 density about 60% higher than that of dry air)