1.

Put a straw in a glass containing some water, such a little amount ofenters through the straw, then put the finger over the other end. Lift the straw up. a) What do you observe? b) Explain the phenomenon. c) If a hole is made on the upper part of the straw, what happens and why?

Answer»

Put a straw in a glass containing some water, such a little amount ofenters through the straw, then put the finger over the other end. Lift the straw up. a) What do you observe? b) Explain the phenomenon. c) If a hole is made on the upper part of the straw, what happens and why?



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