Make sure there is a tight seal around the rubber band. Any air leaks around the piece of balloon will affect how well your barometer will work.
starryskies.com/try_this/baro1.html
・ 1 Cut a balloon in half. Discard the half with the neck. ・ 2 Stretch the remaining portion of the balloon over the top of a small can or jar, to form a lid. Hold... ・ 3 Attach one end of a straw firmly to the jar's new 'lid,' with tape. O...
http://www.ehow.com/how_2321604_make-homemade-barometer...
Summary: Use a straw as a barometer needle. Learn how to make a barometer for measuring air pressure in this free video.
http://www.ehow.com/video_4419387_use-straw-homemade-ba...
I remembered an old project I did from Boy scouts a long time ago that may help in accurately gauging the pressure in your saferoom.... a Home Made Barometer. ... Make a cardboard chart showing Pressure.
www.alpharubicon.com/basicnbc/homemadebaro.htm www.alpharubicon.com/basicnbc/homemadebaro.htm
homemade barometer (requires an empty coffee can (3 lb size), soda straw, plastic kitchen wrap, and tape); • curling iron; Investigation: Weather Forecasting! Just step outside (and step back in time) to explore traditional “folk” methods of forecasting the weather. ... How to make your own barometer;
pbskids.org/dragonflytv/pdf/WackyWeather.pdf
Yep, you heard us correctly. We're fixing to make our very own, homemade barometer (measures air pressure). ... If you would like to make a donation, click the "Make a Donation" button below and complete the required information.
www.spartechsoftware.com/reeko/Experiments/ExpHomemadeB... www.spartechsoftware.com/reeko/Experiments/ExpHomemadeBarometer.htm
Click the links below for free instructions and plans. ... Make a Wind Scale ... Build a Barometer...
www.bwca.cc/weather/weatherblueprints.htm
Information on how to build a homemade barometer. ... This is done in the following manner: Pour as much mercury into the tube as will make it stand to the length of 3 or 4 inches, and introduce a long wire of iron to stir it during the boiling. Expose the mercury in the tube gradually to the heat of a chafing-dish of...
www.publicbookshelf.com/public_html/The_Household_Cyclo... www.publicbookshelf.com/public_html/The_Household_Cyclopedia_of_General_Information/homemadeb_cjf.html
Have your parents help you make a barometer, hygrometer, rain gauge, weather vane, and compass. Plus how to keep a weather journal. ... Make Your Own Barometer...
www.fi.edu/weather/todo/todo.html
Before I get into the make, let’s talk about what barometers do.  Barometer’s measure the minute changes in atmospheric pressure that indicate changes in weather.  Minute?  Yeah, really, really small.  Okay low pressure (usually associated with rain) is ... Tags: barometers, homemade barometer, predicting weather...
www.homelyscientist.com/2006/10/make-your-own-barometer... www.homelyscientist.com/2006/10/make-your-own-barometer/