Materials List: Barometric Pressure:
Good News – We're on the Rise!

Each group needs:

  • 1 empty, wide-mouth jar
  • 1 sheet of Mylar or a helium-quality balloon (the same material used for aluminized party balloons; Mylar is relatively impermeable to gas)
  • 1 heavy, thick rubber band
  • 1 small ball of poster putty (or chewing gum or other adhesive)
  • 1 toothpick (or 6-inch piece of dry spaghetti noodle or broom straw)
  • 1 piece of cardboard, ~8 x 10 inches, for the barometer scale
  • The day's barometric pressure, from newspaper weather page, television or radio weather broadcast, or weather website
  • Barometric Pressure Log, one per student
  • (optional) graph paper (only needed if students are graphing data), one sheet per student