Weight of Air Apparatus

Item #: 1017033
$43.69 $32.77
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Science First Weight of Air Apparatus help students discover that air has weight. This fascinating fact can be proved by weighing this special can before and after removing its air. Affordable kit includes a seamless aluminium can with tubing, plastic valve and instructions.
  • First weigh the aluminum cylinder while filled with air
  • Depress valve to open and pump air out-of the cylinder
  • Weigh the "empty" cylinder to calculate difference
  • Weight changes by approximately one half a gram
  • With plastic valve, tubing and instructions