Friday 27 May 2011

Convection Currents in Liquids- Potassium Permanganate experiment!

Potassium permanganate experiment

Click on the above link and click on the View online tab. Then click on the green arrow found at the bottom of the window. Basically this simulation consists of a beaker filled with water. Inside the beaker you can see a purple spot. This purple spot is a potassium permanganate crystal. When you play the simulation you can see the Bunsen burner switching on and colour from the potassium permanganate crystal spreading throughout the beaker. But as you can notice, the colour is spreading in a particular way and not at a random manner.

Can you come up with a solution to this experiment as to why the colour is spreading like this and not in another way? What is happening in to the liquid particles on the side where there is the Bunsen burner? Can you explain this in terms of density? Share your ideas and post your predictions and solutions on the blog. If you want you can even paint a sketch of this simulation with drawn arrows representing the direction of the water. After doing this you can upload your picture on the blog.

I will be demonstrating this experiment in class in the following days. In the meantime post your predictions and we will deal with them in class. Good luck!

1 comment:

  1. Potassium is seriously a vital mineral and it makes balance of ph and water level in the body. This mineral plays a vital role in cellular integrity and nerve function by regulating the transfer of nutrients into the cell. while having this mineral supplement be sure to have the consideration from consultant and have the liquid potassium supplement.

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