Pictures of blood midges will always be red. So it looks exactly like a normal midge larvae, but it's bright red.moegmea1 wrote:How do you tell the difference between a picture of a blood midge and a midge?
Water Quality B/C
- kate!
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Re: Water Quality B/C
8th grade: I knew stuff about rocks, minerals, experiments, and ecosystems!
9th grade: I knew stuff about amphibians, reptiles, freshwater, and experiments!
10th grade: I knew stuff about oceanography, saltwater, birds, and fossils!
11th grade: I knew stuff about birds and fossils!
9th grade: I knew stuff about amphibians, reptiles, freshwater, and experiments!
10th grade: I knew stuff about oceanography, saltwater, birds, and fossils!
11th grade: I knew stuff about birds and fossils!
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Re: Water Quality B/C
u cantSaucycedo wrote:How can I correctly measure the salinity without calibration?
2019 events: Water Quality, Battery Buggy, Elastic Launch Glider, Density Lab, Circuit Lab, Thermodynamics
R.C Murphy Co-Captain
Dank Memes Area Homeschool Team member
R.C Murphy Co-Captain
Dank Memes Area Homeschool Team member
Re: Water Quality B/C
What is considered "A salinometer/hydrometer"? My team is considering individually calibrating mini capillary tubes for each percent salinity. Is the group of capillary tubes considered multiple devices?
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Re: Water Quality B/C
Sounds like a unique, but most likely not permitted, idea. In the rules, Part III a. states "...a salinometer/hydrometer..." and b. says "... the device..." so based on these I am guessing you get to bring only one device in with you.RerandRee wrote:What is considered "A salinometer/hydrometer"? My team is considering individually calibrating mini capillary tubes for each percent salinity. Is the group of capillary tubes considered multiple devices?
- John Richardsim
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Re: Water Quality B/C
Check out this quizlet set for macroinvertebrate identification that I just finished: https://quizlet.com/363496522/water-qua ... ash-cards/
- John Richardsim
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Re: Water Quality B/C
Absolutely. While small amounts of a salt water solution itself isn't dangerous to ingest, the fact that the solution is being used in a lab setting (even if the event wasn't in a lab room, the water was likely stored in a graduated cylinder, a beaker, or even just a large tub -- some container for which it should be apparent that the water isn't for consumption) makes this a safety violation of a pretty standard lab rule.aflucke wrote:A team at our last invitational was recently disqualified from the water quality event for tasting the salt water solution; is this a legitimate reason for disqualification?
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Re: Water Quality B/C
Never eat ur experimentsaflucke wrote:A team at our last invitational was recently disqualified from the water quality event for tasting the salt water solution; is this a legitimate reason for disqualification?
2019 events: Water Quality, Battery Buggy, Elastic Launch Glider, Density Lab, Circuit Lab, Thermodynamics
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R.C Murphy Co-Captain
Dank Memes Area Homeschool Team member
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Re: Water Quality B/C
lol yeah! Another common disqualifying factor is in CB when teams decide to taste the salt/sugar mixtures in order to tell which one it is!MattChina wrote:Never eat ur experimentsaflucke wrote:A team at our last invitational was recently disqualified from the water quality event for tasting the salt water solution; is this a legitimate reason for disqualification?
2018 events: Crime Busters, Potions and Poisons, Microbe Mission
2019 events: Crime Busters, Potions and Poisons, Water Quality
Bay Academy
2019 events: Crime Busters, Potions and Poisons, Water Quality
Bay Academy
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