Using simple equipment, students will pressurize a plastic bottle and measure its change in mass. The activity can be extended to find the density of air for more advanced students.
Required Equipment
Balance, Pressure Pumper, Empty 2L soda bottle.
Download Teacher Notes and Student Worksheets
The "Empty 2L soda bottle" required for this lab is readily available at your local grocery or convenience store. Each lab group would need one bottle.
