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11 Baubles Blazing with Molten Iron | 12 Explosions of Christmas with Greg Foot | Head Squeeze

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To see the full 12 Explosions Of Christmas click here: http://youtu.be/AIlji543PJw Next up in the Science Behind the 12 Explosions of Christmas is 11 Baubles Blazing.

In this video, Greg Foot and Mike Sansom create some home made baubles -- but not the kind you'll find in the shops! They created a thermite mix of aluminium powder and iron oxide, placed it inside some flower pots and set light to them using a sparkler as a fuse.

What happens when the boys light the sparklers is a massively exothermic thermite reaction. The aluminium powder burns to create a huge amount of heat, so that the oxygen is displaced from the iron oxide (rust to you and me) to leave behind MOLTEN IRON.

Here's the scientific equation of the iron oxide reducing to molten iron:

4Fe3+ + 6O2 = 4Fe(liq) + 3O2 (g)

No Christmas Trees were wasted during the making of this video, environmentally conscious Greg and Mike used last year's trees.

There are still 10 more videos to go until Christmas, so make sure you hit SUBSCRIBE so they appear in your YouTube home feed when you log in.

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Check out Greg and Mike's '12 Explosions of Christmas' bonanza here:

Tell us what you think of Greg & Mike's '12 Explosions of Christmas', use #12ExplosionsofXmas on G+ and Twitter.

Greg Foot is a Science Presenter on TV, Online & at Live Events, and a Wellcome Trust Engagement Fellow. For more science daredevil mayhem follow Greg here: https://twitter.com/gregfoot

Mike Sansom is a fireworks and explosive pro and runs BrightFire Pyrotechnics. For more from Mike & his explosive elves follow: https://twitter.com/ brightfirepyro

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