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Helium! (why you shouldn't breath helium- physical (funny outcome-…
Helium!
why you shouldn't breath helium- physical
funny outcome- Makes a person's voice high pitched
if you breath too much, you can pass out
it is bad for your cells
it is unhealthy
small risk of lung damage
important uses- environmental/financial
a cooling medium for Large Hadron Collider
magnets in MRI's and NMR's
keeping satellites cool
to cool liquid oxygen and hydrogen that powered Apollo space vehicles
How it looks
Colorless
odorless
a gas that is unreactive
how helium makes your voice high pitched- physical
changes the timbre of your voice
air travels to your mouth from the larynx
helium is lighter than air so the speed of sound is higher