Yesterday in science we did a flow back. We put the burner stand 1/3 from the left, and on top of it was a test tube clamped on at a 45 degree angle. Then we put a beaker 1/3 from the right. next we poured 10 milimeters of water in to the test tube, and 800 milimeters in the beaker. Then we put 10 small rocks in the testube, and 1 drop of yellow dye, and 4 drops of blue dye. then we put one end of the distiller in the beaker, and the other side in to the test tube. Then you light the burner, and put it underneath the burner stand, it was awesome.



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