measuring atmospheric pressure

Your 'measuring atmospheric pressure' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.

** your comment **

** How does the system behave and how does it 'feel'? **

By squeezing the bottle and thus increasing the airpressure inside of it - the water in the vertical tube rises a proportionalte amount of the decrease in air culomn length.

** Length of the air column in units of your measuring device: **

I will use mm at zero reduction and interpolate - my eyesight is not good enough to be confident about reading such small graduations without the use of vernier.

** Your report of the vertical position of the first mark relative to the water surface of the first mark, the length of the air column in units of your selected measuring device, and the two meniscus positions observed with each of your five trials. **

201 mm

I set the capped end of the air column at 400mm on my scale and read the meniscus at 199mm.

** Your report of the vertical position of the second mark relative to the water surface of the first mark, the length of the air column in units of your selected measuring device, and the two meniscus positions observed with each of your five trials. **

25cm

201

199, 203

199, 203

199, 203

199, 203

199, 203

These are meniscus readings before and after each squeeze to the first mark on the vertical tube

** Your report of the vertical position of the highest mark relative to the water surface of the first mark, the length of the air column in units of your selected measuring device, and the two meniscus positions observed with each of your five trials. **

30

201

199, 204

199, 204

199, 204

199, 204

199, 204

** Your report of the vertical position of the 'in-between' mark relative to the water surface of the first mark, the length of the air column in units of your selected measuring device, and the two meniscus positions observed with each of your five trials. **

50

201

199, 208

199, 208

199, 208

199, 208

199, 208

** **

35

201

199, 205

199, 205

199, 205

199, 205

199, 205

** **

1200~1250 = 50min

************* This note is added to each submission to ensure that the instructor has reviewed your work. The instructor must manually remove this note. If it hasn't been removed, and if the instructor has not made specific responses, then it is possible that your work hasn't been properly reviewed and you should notify the instructor to be sure.

Your responses have been reviewed and everything looks good.

Please let me know if you have any questions related to this orientation assignment.