Water Quality B/C

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Water Quality B/C

Postby pikachu4919 » July 15th, 2018, 3:15 pm

Water Quality B/C: Participants will be assessed on their understanding and evaluation of aquatic environments.

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Re: Water Quality B/C

Postby kate! » September 4th, 2018, 6:17 pm

Are we going to need to know the properties of water or will there not be any questions asked about that?
I know stuff about rocks, minerals, experiments, and ecosystems, yay!
Now I kind of know stuff about amphibians, reptiles, fossils, and water... hopefully I'll get to keep learning.

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Re: Water Quality B/C

Postby UTF-8 U+6211 U+662F » September 4th, 2018, 6:21 pm

kate! wrote:Are we going to need to know the properties of water or will there not be any questions asked about that?

Aquatic chemistry most likely encompasses properties of water, so yes, with a focus on the effect on life.

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Re: Water Quality B/C

Postby allopathie » September 5th, 2018, 8:26 pm

UTF-8 U+6211 U+662F wrote:Aquatic chemistry most likely encompasses properties of water, so yes, with a focus on the effect on life.


This is possibly relevant for you, but I'll be testing on the following for aquatic chemistry (for C division):

Properties of water including heat capacity, hydrogen bonding, etc.
Density, melting and freezing points, phase changes
Calculating pH and pOH from concentration and vice versa, and knowing how changes in pH affect aquatic life (especially the acid-sensitive species on the species list)
Calculation-based questions about equilibrium/kinetics as they relate to pollutants and acid rain
+ Other related topics
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Re: Water Quality B/C

Postby JionPark » September 6th, 2018, 7:37 pm

So, do we need to look at the years 2012 through 2014 to study for Water Quality this year?
Just wanted to know, especially when the topic is on fresh water.

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Re: Water Quality B/C

Postby kate! » September 6th, 2018, 7:50 pm

JionPark wrote:So, do we need to look at the years 2012 through 2014 to study for Water Quality this year?
Just wanted to know, especially when the topic is on fresh water.

The last freshwater year was 2014, I think. So you don't need to look at the years with other topics.
I know stuff about rocks, minerals, experiments, and ecosystems, yay!
Now I kind of know stuff about amphibians, reptiles, fossils, and water... hopefully I'll get to keep learning.

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Re: Water Quality B/C

Postby JionPark » September 6th, 2018, 7:57 pm

kate! wrote:
JionPark wrote:So, do we need to look at the years 2012 through 2014 to study for Water Quality this year?
Just wanted to know, especially when the topic is on fresh water.

The last freshwater year was 2014, I think. So you don't need to look at the years with other topics.


Thank you kate!
I thought that this year would focus on the topics that occurred in the year, 2012, then 2013 topics next year, and so on. But anyways I thank you.

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Re: Water Quality B/C

Postby platypusomelette » September 8th, 2018, 1:34 pm

HELL YEA

How do you study for this event? I literally have no idea what to do. What is "aquatic ecology" supposed to mean
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Re: Water Quality B/C

Postby UTF-8 U+6211 U+662F » September 8th, 2018, 2:24 pm

platypusomelette wrote:HELL YEA

How do you study for this event? I literally have no idea what to do. What is "aquatic ecology" supposed to mean

As to your second question:
Breaking it down, aquatic means of the water (freshwater this year), and ecology is the study of how organisms interact with each other and the environment. Therefore, aquatic ecology includes things like predator-prey relations, symbiosis, keystone species, and how abiotic factors (pH, dO, temperature, current, turbidity, etc.) in a freshwater environment can affect life.

Your first question is more complicated, but I suggest just diving into the deep end and looking up all you can about the topics in the rules.

(Disclaimer: I've never actually done this event.)

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Re: Water Quality B/C

Postby izzanom » September 16th, 2018, 2:28 pm

So what exactly does it mean by harmful species on the rules sheet? Like are there specific ones or is it just like what are invasive species etc..

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Re: Water Quality B/C

Postby Name » September 16th, 2018, 2:43 pm

izzanom wrote:So what exactly does it mean by harmful species on the rules sheet? Like are there specific ones or is it just like what are invasive species etc..

the aquatic nuisance plants and animals are invasive species and probably what is meant by harmful species. knowing general invasive species infomation probably isnt a bad idea either
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Re: Water Quality B/C

Postby UTF-8 U+6211 U+662F » September 16th, 2018, 3:09 pm

Name wrote:
izzanom wrote:So what exactly does it mean by harmful species on the rules sheet? Like are there specific ones or is it just like what are invasive species etc..

the aquatic nuisance plants and animals are invasive species and probably what is meant by harmful species. knowing general invasive species infomation probably isnt a bad idea either

Invasive species are species that, when introduced to a certain ecosystem, have a competitive advantage over the native species because of lack of predators or some similar evolutionary advantage which the native ecosystem does not have time to adapt to, wreaking havoc on the native ecosystem and killing native species.

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Re: Water Quality B/C

Postby Alex-RCHS » September 17th, 2018, 9:52 am

In one part of the rules it says that each part of the competition will account for about 1/3 of the final score (3.a) but in 3.Part III.a it says that points for salinity testing will be about 5% of the total score. Isn't this a discrepancy?
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Re: Water Quality B/C

Postby nicholasmaurer » September 17th, 2018, 11:13 am

Alex-RCHS wrote:In one part of the rules it says that each part of the competition will account for about 1/3 of the final score (3.a) but in 3.Part III.a it says that points for salinity testing will be about 5% of the total score. Isn't this a discrepancy?


The salinity testing (Part III a) will be worth 5% of the score. The remainder of the score for Part III will be from paragraph d which is written questions on a variety of water monitoring metrics.
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Re: Water Quality B/C

Postby Alex-RCHS » September 17th, 2018, 11:16 am

nicholasmaurer wrote:
Alex-RCHS wrote:In one part of the rules it says that each part of the competition will account for about 1/3 of the final score (3.a) but in 3.Part III.a it says that points for salinity testing will be about 5% of the total score. Isn't this a discrepancy?


The salinity testing (Part III a) will be worth 5% of the score. The remainder of the score for Part III will be from paragraph d which is written questions on a variety of water monitoring metrics.

Oh okay, makes more sense. Thanks!
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