Thermometer set-up 2. Set up the equipment as shown. Cool the upper flask and fluid will rise. Make balloons expand by pinching rubber diaphragm and pulling it downward. Push diaphragm upward and balloons collapse.
Air is pushed into lungs by atmospheric pressure when volume increases.
It is pushed out of lungs by contracting rib cage when volume decreases. 4 10.45 Critical mixture of natural gas and air will cause an explosion. Special 1 gallon paint can 2. Add natural gas to can. Set can on floor.