Search found 448 matches
- March 25th, 2012, 6:23 pm
- Forum: 2012 Study Events
- Topic: Water Quality B/C
- Replies: 447
- Views: 100859
Re: Water Quality B/C
Doesn't CaCO3 not even dissolve at room temperature? How could they make a solution out of a nonsoluble salt?
- March 25th, 2012, 2:06 pm
- Forum: 2012 Lab Events
- Topic: Forensics C
- Replies: 204
- Views: 79430
Re: Forensics C
I'm almost finished with my flowchart for qualitative analysis. On average, how long should it take you to identify 8 powders? I'm going to time myself with this soon, but I'd like to know what a 'good' time would be beforehand. Uh, could anyone answer this question? If it feels like I'm asking too...
- March 23rd, 2012, 1:52 pm
- Forum: 2012 Study Events
- Topic: Water Quality ID
- Replies: 248
- Views: 65303
Re: Water Quality ID
yes it's a whirligig beetle larvae. also their cocoon is made out of mud. So i guess gigaboo can go next
- March 22nd, 2012, 7:40 pm
- Forum: 2012 Study Events
- Topic: Water Quality ID
- Replies: 248
- Views: 65303
Re: Water Quality ID
http://www.entomology.umn.edu/midge/VSM ... va.big.jpg
how many eggs does it lay, what time of year, where, and what are its cocoons made out of?
how many eggs does it lay, what time of year, where, and what are its cocoons made out of?
- March 22nd, 2012, 6:37 pm
- Forum: 2012 Study Events
- Topic: Dynamic Planet B/C
- Replies: 240
- Views: 67198
Re: Dynamic Planet B/C
Glaciers. Oceanography was the topic before Earthquakes/Volcanoes so glaciers are next in the rotation.hexagonaria wrote:I'm pretty sure it's glaciers, but don't hold me to that.cnapun wrote:Does anybody know what the topic for next year will be?? Glaciers or Oceanography?
- March 21st, 2012, 5:36 pm
- Forum: 2012 Build Events
- Topic: Sounds of Music C
- Replies: 181
- Views: 57787
Re: Sounds of Music C
other than structural support, does anyone know if the sound post on a violin has an acoustic purpose?
- March 21st, 2012, 5:32 pm
- Forum: 2012 Study Events
- Topic: Water Quality ID
- Replies: 248
- Views: 65303
Re: Water Quality ID
Since nobody has posted for a bit I'll go http://www.iisgcp.org/exoticsp/images/water_flea/flea1.jpg what is it, where is it invasive to, how did it get there, and why is it problematic? spiny water flea, invasive species in the North American Great Lakes, introduced via untreated ballast water, ou...
- February 24th, 2012, 4:08 pm
- Forum: 2012 Lab Events
- Topic: Forensics C
- Replies: 204
- Views: 79430
Re: Forensics C
So most tests so far I've seen provide 46% IPA, Vegetable oil, Distilled water, 10% NaCl, and Saturated NaCl. Saturated NaCl solutions I think are around 26.8% NaCl. This won't be able to separate PC and PMMA by density, so is there any advice on how I should do this? I mean, if they give me a 25% ...
- February 20th, 2012, 6:51 pm
- Forum: 2012 Study Events
- Topic: Water Quality ID
- Replies: 248
- Views: 65303
Re: Water Quality ID
yup. either one of you can go next i guess...
- February 20th, 2012, 4:39 pm
- Forum: 2012 Study Events
- Topic: Water Quality ID
- Replies: 248
- Views: 65303
Re: Water Quality ID
http://upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Dreissena_polymorpha.jpg/250px-Dreissena_polymorpha.jpg name, where is it native to, and how was it brought into American waters? Zebra mussel and brought to america by a cargo ship I think, thats all I know though... yes. anyone on the secon...