Search found 69 matches
- May 6th, 2014, 1:54 pm
- Forum: 2014 Invitationals, Regionals, and States
- Topic: Pennsylvania 2014
- Replies: 349
- Views: 85818
Re: Pennsylvania 2014
Wow, congrats to Penncrest on their first State title! (but oh nooo, the 16 year streak is dead :[ ) Represent us well at Nationals with Harriton! Looking at the scores, seems like Harriton (and several other good teams) got screwed by ExpDes... which was apparently really weird anyway. I have a fe...
- May 6th, 2014, 7:11 am
- Forum: 2014 Invitationals, Regionals, and States
- Topic: Pennsylvania 2014
- Replies: 349
- Views: 85818
Re: Pennsylvania 2014
Now that the dust has settled, congratulation to all of the teams for a great competition--regardless of how it all fluxed out, everyone should be proud of their performance!
- May 5th, 2014, 6:56 am
- Forum: 2014 Invitationals, Regionals, and States
- Topic: Pennsylvania 2014
- Replies: 349
- Views: 85818
Re: Pennsylvania 2014
Any idea what time the results'll be released today?
- April 29th, 2014, 6:31 pm
- Forum: 2014 Question Marathons
- Topic: Rocks & Minerals B/C ID/Question Marathon
- Replies: 393
- Views: 83540
- April 25th, 2014, 7:16 pm
- Forum: 2014 Question Marathons
- Topic: Rocks & Minerals B/C ID/Question Marathon
- Replies: 393
- Views: 83540
Re: Rocks & Minerals B/C ID/Question Marathon
Hematite up top, Magnetite below! Hematite Fe2O3, Magnetite Fe3O4 or more specifically Fe(2+)2Fe(3+)O4
- April 23rd, 2014, 11:41 am
- Forum: 2014 Question Marathons
- Topic: Rocks & Minerals B/C ID/Question Marathon
- Replies: 393
- Views: 83540
Re: Rocks & Minerals B/C ID/Question Marathon
inluvwyth_WANTED wrote:[img]http://skywalker.cochise.edu/wellerr/mineral/hematite/6hematite-sliman3431a.jpg[/img][img]http://rruff.info/repository/sample/by_minerals/Magnetite__R080025__Sample__Photo__22213__M.jpg[/img]
Hematite, chem form Fe2O3
- April 22nd, 2014, 7:46 pm
- Forum: 2014 Lab Events
- Topic: Experimental Design B/C
- Replies: 242
- Views: 55732
Re: Experimental Design B/C
The rules state: "The students must use at least two of the provided materials to design and conduct an experiment." 2014 Rules, Section 3, Paragraph a, Lines 5-6 If I was judging I would have tiered you. Yes, and the provided paper clips and rubber bands were used. Two provided materials.
- April 22nd, 2014, 1:25 pm
- Forum: 2014 Lab Events
- Topic: Experimental Design B/C
- Replies: 242
- Views: 55732
Re: Experimental Design B/C
My team took a surprising and disappointing 17th at Regionals this year--we contacted the proctor of the event, who told us we were tiered for not following the directions. Barring anything we forgot to read, the directions commissioned us to perform an experiment testing the effect of stress on a ...
- April 22nd, 2014, 11:57 am
- Forum: 2014 Question Marathons
- Topic: Rocks & Minerals B/C ID/Question Marathon
- Replies: 393
- Views: 83540
Re: Rocks & Minerals B/C ID/Question Marathon
The answer isss|Apatite! I think that white scarring/ghosting/impurities/whatever you want to call it is really indicative of Apatite, though it can be confused with Sodalite. A good example of what I'm talking about is on this specimen [img]http://www.charmsoflight.com/Images/Gemstones/Apatite%20r...
- April 22nd, 2014, 6:49 am
- Forum: 2014 Lab Events
- Topic: Experimental Design B/C
- Replies: 242
- Views: 55732
Re: Experimental Design B/C
My team took a surprising and disappointing 17th at Regionals this year--we contacted the proctor of the event, who told us we were tiered for not following the directions. Barring anything we forgot to read, the directions commissioned us to perform an experiment testing the effect of stress on a p...