bryce+chapman+masc

= Bryce Chapman =

Helium
 * Symbol is He[[image:http://www.historyforkids.org/scienceforkids/chemistry/atoms/pictures/helium.jpg align="right" caption="Helium atom"]]
 * It is 2nd on the periodic table
 * A gas that has no colour, no taste and no smell
 * It is the second most common element in the universe
 * It is created in stars like our sun.
 * It is found in our atmosphere - we breathe it everyday
 * Helium atoms have 2 protons, 2 neutrons and 2 electrons
 * Helium is less dense than air.


 * Where do we find Helium?**
 * In stars[[image:http://weldingmag.com/images/archive/78314heliumjpg_00000050971.jpg width="99" height="132" align="right"]]
 * Most of the Helium we use in party balloons comes from mines.


 * What is it used for?**
 * It is used in party balloons because it floats.
 * Helium is very very stable, so it is used to keep things from exploding and keep people safe. Welders use a lot of Helium this way.
 * Helium is also used in MRI machines (medicine)

media type="youtube" key="a8FJEiI5e6Q?fs=1" height="385" width="480"

media type="youtube" key="T72jGHPofwk?fs=1" height="385" width="480" Mike Howard, a captain for British Airways, was suspended beneath 200 toy helium balloons in an attempt to break the world altitude record of 13,000 feet.


 * Photos courtesy of Balloons Over Britain ||
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