2. drops of vegetable oil. Gasoline on each type of paper. 1. type the timer drops of oil is to absorb and measure the diameter of the droplets of oil on a sheet of paper, and then save the results.
Two. Drops of vegetable oil on each type of gasoline by 1 drop of oil absorbed timer runs out and measure the diameter of the oil droplets on the paper and then record the results.
2. Drops vegetable oil, gasoline on paper each type, each type 1 drop timer, oil was ดูดซับหมด and measure the diameter of oil drop on the paper Then record