. Inductive elementary physical science with inexpensive apparatus, and without laboratory equipment . Exp. 64. Exp. Exp. 66. Bxp. 65. If the Apparatus and tube are full of water,and you uncap the upper jet-tube, how much water willrun out ? This is a good test of your previous work onair pressure. Answer first, then verify by experiment. Inference. Bxp. 66. Place in any position, and suck air fromthe Apparatus. Inferences. 1. Distinguish between the force that fillsthe rubber bag in this case and in how we breathe (). 2. How is the air withdrawn from the Apparatus ?3. What forces i
. Inductive elementary physical science with inexpensive apparatus, and without laboratory equipment . Exp. 64. Exp. Exp. 66. Bxp. 65. If the Apparatus and tube are full of water,and you uncap the upper jet-tube, how much water willrun out ? This is a good test of your previous work onair pressure. Answer first, then verify by experiment. Inference. Bxp. 66. Place in any position, and suck air fromthe Apparatus. Inferences. 1. Distinguish between the force that fillsthe rubber bag in this case and in how we breathe (). 2. How is the air withdrawn from the Apparatus ?3. What forces it from the bottle into the rubber balloon ? AIR EXPERIMENTS. 47 Exp. 67. The same bottle used in the previous experi-ment, and to be used in the next, will answer for this , the taller the bottle, the prettier the air from the Apparatus, observing what is happen-ing to the air in the bottle at the same time. Pinch thetube, rest your throat, and suck again till you remove asmuch as you can ; then let go the rubber tube. Infekencb. Explain each part of the experiment, that is,the operation
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