'(<a href="http://www.j-archive.com/media/2010-10-21_DJ_09.wmv">Kelly of the Clue Crew demonstrates.</a>)  When you press the nozzle of an aerosol can, the contents are pushed out by pressurized gas; the gas is called one of these, a general term for chemicals that create thrust'
a propellant
SCIENCE: When you press the nozzle of an aerosol can, the contents are pushed out by pressurized gas; the gas is called one of these, a general term for chemicals that create thrust
When you press the nozzle of an aerosol can, the contents are pushed out by pressurized gas; the gas is called one of these, a general term for chemicals that create thrust
When you press the nozzle of an aerosol can, the contents are pushed out by pressurized gas; the gas is called one of these, a general term for chemicals that create thrust
SCIENCE
a propellant
SCIENCE