Search found 20 matches

by vye904
June 15th, 2021, 12:27 pm
Forum: 2021 Question Marathons
Topic: Road Scholar
Replies: 8
Views: 4527

Re: Road Scholar




New set of questions:
1. Describe the difference between an intermittent and ephemeral stream.
2. What is a vertical datum? Name 2 types of vertical datums commonly used today.
3. After looking at his map, a hiker notices a survey control mark at his location. After a few minutes of searching ...
by vye904
April 27th, 2021, 7:45 pm
Forum: 2021 Invitationals
Topic: Rickards Science Olympiad Invitational 2020
Replies: 15
Views: 10878

Re: Rickards Science Olympiad Invitational 2020

reninkidney wrote: April 27th, 2021, 6:46 pm Did anybody receive any Rickards medals?
I believe the school is experiencing trouble with their district/admin approval process, at least that was the case when I last asked in February. Not sure if they're still planning to get them out since it's been a while.
by vye904
April 22nd, 2021, 7:45 am
Forum: General Competition
Topic: 9th Graders in Division B
Replies: 74
Views: 36057

Re: 9th Graders in Division B



You also mentioned rotations, however some events don't rotate (Crime, Road, ExpD, although I do know that they are not entirely "knowledge" events).


I was thinking about this too. NSO structured the scioly event slate to be like that, an 8th grader could do disease for 3 years and a senior ...
by vye904
April 22nd, 2021, 6:12 am
Forum: General Competition
Topic: 9th Graders in Division B
Replies: 74
Views: 36057

Re: 9th Graders in Division B

Here are some thoughts from a 9th grader who goes to a 7-9 junior high.

If i had the choice to compete in Division C, I would be right now. But I would rather not take the 1 hour 11 minute walk across 2 major streets and a highway from my own school to my high school just to participate in Division ...
by vye904
April 3rd, 2021, 7:16 pm
Forum: 2021 Question Marathons
Topic: Road Scholar
Replies: 8
Views: 4527

Re: Road Scholar


For your questions,
1. 2.5 minutes * 2.5 minutes
2. Eskers are long, winding ridges of sediment such as sand or gravel. They come from glaciers (I believe)
3. AAA stands for American Automobile Association, and a SPUI is a single-point urban interchange.
4. 3 digit highways generally indicate a ...
by vye904
April 2nd, 2021, 6:42 pm
Forum: 2021 Question Marathons
Topic: Disease Detectives B/C
Replies: 33
Views: 12977

Re: Disease Detectives B/C


1. What does Relative Risk find compared to Odds Ratio?
2. When describing a test, what is the difference between Sensitivity and Specificity
3. Describe the levels of prevention (primary, secondary, tertiary)



1. Relative Risk measures the association between exposure and outcome using the ...
by vye904
April 2nd, 2021, 12:35 pm
Forum: 2021 Question Marathons
Topic: Disease Detectives B/C
Replies: 33
Views: 12977

Re: Disease Detectives B/C


1. What does R0 stand for? Define R0.
2. If a disease has an R0 of 3, what is the approximate percent of a population that needs to be vaccinated to obtain herd immunity?
3. If public health officials have estimated 80-90% of the population needs to be vaccinated in order to obtain herd immunity ...
by vye904
April 2nd, 2021, 10:44 am
Forum: 2021 Question Marathons
Topic: Disease Detectives B/C
Replies: 33
Views: 12977

Re: Disease Detectives B/C


1. What is it called when a potentially infectious agent is present in a host but has not yet invaded the tissue?
2. Define and explain the difference between a systematic infection and a local infection.
3. There is an outbreak of conjunctivitis at a high school with a population of 400 students ...
by vye904
April 2nd, 2021, 10:34 am
Forum: 2021 Question Marathons
Topic: Road Scholar
Replies: 8
Views: 4527

Re: Road Scholar



Since no competitor has gone here before, I'll start out with some easy questions:

1. A map that shows the national and state boundaries and cities is called a _______.
2. A Population Density map is an example of a _______.
3. The five elements of a map are ____________________.
4. Landforms ...
by vye904
April 2nd, 2021, 10:20 am
Forum: 2021 Study Events
Topic: Road Scholar B
Replies: 6
Views: 5031

Re: Road Scholar B

aakoala wrote: April 2nd, 2021, 9:29 am RIP Road Scholar!
Does anyone know what this event will be next year?
Awesome Aquifers

Source: viewtopic.php?t=16614

Edit: Looks like road is staying for another year based on the SOSI 2021 schedule

Source: viewtopic.php?t=21815

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