Div C
William P. Clements HS
Disease Detectives, Forensics, Optics
Search found 18 matches
- April 23rd, 2017, 7:28 pm
- Forum: 2017 Nationals
- Topic: Who's Going to Nationals 2017?
- Replies: 66
- Views: 26263
- February 19th, 2017, 1:01 pm
- Forum: 2017 Question Marathons
- Topic: Forensics C
- Replies: 37
- Views: 17821
Re: Forensics C
Let's revive this forum, shall we !!! An unknown sample turns green when dissolved in water with Benedict's reagent and heated. What does this mean? Also, why does sucrose not provide a positive test result when it contains two sugars, one of them being glucose? (What is the other sugar that makes ...
- February 19th, 2017, 11:59 am
- Forum: 2017 Question Marathons
- Topic: Forensics C
- Replies: 37
- Views: 17821
Re: Forensics C
Let's revive this forum, shall we !!! An unknown sample turns green when dissolved in water with Benedict's reagent and heated. What does this mean? Also, why does sucrose not provide a positive test result when it contains two sugars, one of them being glucose? (What is the other sugar that makes u...
- January 2nd, 2017, 11:04 pm
- Forum: 2017 Question Marathons
- Topic: Forensics C
- Replies: 37
- Views: 17821
Re: Forensics C
Why is acetone a good solvent to use for paper chromatography on permanent markers? .|Acetone is nonpolar. Permanent markers use nonpolar ink (so water won't wash it away). Like dissolves like, so the acetone can actually move the permanent marker ink up the paper. Correct|I believe acetone is pola...
- December 30th, 2016, 12:51 am
- Forum: 2017 Question Marathons
- Topic: Forensics C
- Replies: 37
- Views: 17821
Re: Forensics C
Why is acetone a good solvent to use for paper chromatography on permanent markers?
- December 25th, 2016, 9:11 pm
- Forum: 2017 Question Marathons
- Topic: Forensics C
- Replies: 37
- Views: 17821
Re: Forensics C
sciduck wrote:What are the burn test results for polystyrene?
yellow flame, burns quickly, plastic drips, gas odor, black smoke with soot
- October 27th, 2016, 5:26 pm
- Forum: 2017 Question Marathons
- Topic: Disease Detectives B/C
- Replies: 62
- Views: 24645
Re: Disease Detectives B/C
1. actions taken to prevent a disease from occurring 2. inhaling spores in the air (aerosol transmission) 3. map showing case locations
- November 8th, 2015, 12:21 pm
- Forum: 2016 Invitationals, Regionals, and States
- Topic: Texas 2016
- Replies: 89
- Views: 37175
Re: Texas 2016
1st - Clements
2nd - Seven Lakes
3rd - Boca Raton
2nd - Seven Lakes
3rd - Boca Raton
- August 22nd, 2015, 10:44 pm
- Forum: 2015 Invitationals, Regionals, and States
- Topic: Texas 2015
- Replies: 137
- Views: 72398
Re: Texas 2015
Is CyFalls open to Division B this year? Also, has anyone here succeeded in accessing the school's scioly website? I also couldn't get into the website (I was looking for invite results). It might be temporarily down for summer. (finally) found it! the link was posted on the state website. https://...
- August 6th, 2015, 5:36 pm
- Forum: 2015 Question Marathons
- Topic: Forensics C
- Replies: 38
- Views: 17406
Re: Forensics C
Light travels from air into a glass fragment with an angle of incidence of 42 degrees. The angle of refraction at the end of the fragment is 18 degrees. Calculate the index of refraction of the glass. Round to the nearest hundredth. Think I've got this|asinθ1=bsinθ2 b=asinθ1/sinθ2 =asin42°/sin18° a...