Investigations by inkDevice (s) 1. toilet paper2. scissors3. bottle of water pots4. fountain pens and markers, pens5. click the pani kg paper6. water. How to make the.1. cut the toilet paper is a line width of approximately 2 cm in length, depending on the height of a dozen bottles.2. draw a circle the diameter is approximately 1 cm below the end of the paper (as shown) with a fountain pen. 3. put water into a bottle, there are about a dozen 1 cm height, and then gently insert the paper into a dozen bottles end. At the bottom of toilet paper dipped in the water, but let the circle drawn above the water. Notice the toilet paper is gradually sucked more water. Or say that the water is gradually moving onto the toilet paper.4. leave 1-2 minutes, and then take the paper out of the skull and see the distance and the speed at which the mobile ink onto the paper.5. experiment with different pens, pens with the first. Notice the difference between the two pens, bar6. If you are unable to distinguish between the two pens sticks. This time, new experiment, use alcohol instead of water and different types of pens. The principle of The trial, known as a way promote coffee growing graphs?? (chromatography) Ink from a pen for each SDS will have to move on to a different toilet paper. You can use a pen stylus pens for each indicator.
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