[Year 12 IT Apps] Re: OT Rocket Science qn..

[Mark Kelly]

No - was not aiming at you :-)

Kent Beveridge wrote:
> Mark, I did ask for any responses to go direct to me via my email below so its not my fault this time.
>  
> Kent Beveridge,
> I.T. co-ordinator
> St. Brigids Catholic Sec. College
> Horsham
> email.. kbeveridge at stbc.vic.edu.au
>  
> Wishes and Eggs, one you make and one you break!  A bit like promises.....
>  
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> ________________________________
> 
> From: itapps-bounces at edulists.com.au on behalf of Mark Kelly
> Sent: Wed 8/15/2007 8:31 AM
> To: Year 12 IT Applications Teachers' Mailing List
> Subject: Re: [Year 12 IT Apps] Re: OT Rocket Science qn..
> 
> 
> 
> Sorry to be a party pooper, guys, but this would do better in the
> Offtopic list.
> 
> Cameron Bell wrote:
>> We used to do it at a previous school with an adventurous sci lab tech
>> who mixed up hydrogen and oxygen with water in the bottle.
>> The bottle was inserted on a plastic conduit pipe that had two wires
>> running up the middle and were exposed at the top.  Just add battery!
>> We did learn that you can't use the same bottle twice. the intial
>> explosion sort of annealed (?) the plastic to make it very very brittle,
>> so any subsequent launches just shattered the bottle.
>> Did it out on the oval. Kids loved it!  Boy did we get some height!
>> Cheers
>> Cameron
>>
>> Russell Edwards wrote:
>>> On 14/08/2007, at 11:16 PM, McDonald, Debra A1 wrote:
>>>> our school does this but with water rockets.. and it is much easier..
>>> _Water_? Booooo!!! No loud hissing noise, no billowing smoke, how
>>> boring! Everyone knows it's the pyrotechnics and not the principles of
>>> propulsion or ballistics that make it fun ;-)
>>>
>>> Russell
>>>
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> 
> --
> Mark Kelly
> Manager - Information Systems
> McKinnon Secondary College
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