Dynamic Planet B/C

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OrigamiPlanet
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Re: Dynamic Planet B/C

Postby OrigamiPlanet » December 5th, 2017, 12:25 pm

knottingpurple wrote:
skiski wrote:Hello! Can someone possibly help me determine the meaning of letter F: "Continental drifts role on opening and closure of ocean gateways/ land bridges, with specific reference to ocean circulation changes, climate change, and biotic migrations"? I took some notes on the land bridge theory, but I'm completely lost on everything else. What do I search up to find information on this topic?
Thanks in advance! :D


I can remember people being weirded out by that bit last year as well, I think part of it might be the ability of the West Wind Drift to circulate after the other continents separated from Antarctica, and another bit is talking about speciation as a result of physical separation of species, but I haven't yet found any good sources on this bit.


So far, in my notes, the only thing I have are what land bridges and ocean gateways are, and how they relate to biology in general. I know it doesn't sound much, but you should try and google "ocean gateways" and find something that has even the slightest bit of information. This is definitely one of the most ambiguous topics for dynamic planet, and I rarely see questions like this appear; that doesn't mean your next competition definitely won't include it though, as anything goes.
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Re: Dynamic Planet B/C

Postby jonathanzhang53 » December 7th, 2017, 7:48 pm

On Topic C, there is plate types as a subsection of the topic.
c. Driving forces of plate tectonics, types of plates, boundaries and margins.

but then there is also boundaries

so if plate types arent going to be divergent, convergent, which are boundaries, then what does it mean?

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Re: Dynamic Planet B/C

Postby knottingpurple » December 12th, 2017, 2:35 pm

jonathanzhang53 wrote:On Topic C, there is plate types as a subsection of the topic.
c. Driving forces of plate tectonics, types of plates, boundaries and margins.

but then there is also boundaries

so if plate types arent going to be divergent, convergent, which are boundaries, then what does it mean?


I interpreted "types of plates" as referring to major, minor and microplates, but there are probably other possible classifications as well. Tectonic plates themselves can have all sorts of different characteristics, as well as the boundaries between them, being made of primarily oceanic or continental crust, their ages, being a remnant plate of an ancient plate, and it seems like any of those characteristics are fair game.
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Re: Dynamic Planet B/C

Postby scioly2012 » December 14th, 2017, 3:12 pm

Hi! My sister is subbing in for this event on Saturday and is expected to study and come up with a notesheet. She's in Division B. How can she best spend the one night she has in preparation so as not to completely bomb? Any info is very much appreciated, thank you in advance! :D

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Re: Dynamic Planet B/C

Postby Tailsfan101 » December 14th, 2017, 4:38 pm

scioly2012 wrote:Hi! My sister is subbing in for this event on Saturday and is expected to study and come up with a notesheet. She's in Division B. How can she best spend the one night she has in preparation so as not to completely bomb? Any info is very much appreciated, thank you in advance! :D

    Some good info to put on there includes:
  • Thickness of each layer of the earth
  • Types of plate boundaries (divergent, convergent, transform)
  • The plates of the earth
  • The discontinuities (Moho, etc.)
  • Info about important scientists
  • Subduction zones vs. mid-ocean ridges
Last edited by Tailsfan101 on December 14th, 2017, 5:47 pm, edited 1 time in total.
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Re: Dynamic Planet B/C

Postby scioly2012 » December 14th, 2017, 4:55 pm

Tailsfan101 wrote:
scioly2012 wrote:Hi! My sister is subbing in for this event on Saturday and is expected to study and come up with a notesheet. She's in Division B. How can she best spend the one night she has in preparation so as not to completely bomb? Any info is very much appreciated, thank you in advance! :D

    Some good info to include on there includes:
  • Thickness of each layer of the earth
  • Types of plate boundaries (divergent, convergent, transform)
  • The plates of the earth
  • The discontinuities (Moho, etc.)
  • Info about important scientists
  • Subduction zones vs. mid-ocean ridges


Thank you so much!! <3 <3 <3

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Re: Dynamic Planet B/C

Postby knottingpurple » December 14th, 2017, 6:21 pm

scioly2012 wrote:
Tailsfan101 wrote:
scioly2012 wrote:Hi! My sister is subbing in for this event on Saturday and is expected to study and come up with a notesheet. She's in Division B. How can she best spend the one night she has in preparation so as not to completely bomb? Any info is very much appreciated, thank you in advance! :D

    Some good info to include on there includes:
  • Thickness of each layer of the earth
  • Types of plate boundaries (divergent, convergent, transform)
  • The plates of the earth
  • The discontinuities (Moho, etc.)
  • Info about important scientists
  • Subduction zones vs. mid-ocean ridges


Thank you so much!! <3 <3 <3


Agreed, basic info on the layers of the earth (not just thickness, but also knowing the order of the layers, haha) is probably one of the easiest things which come up often.
Also, lots and lots of tests will have a map of tectonic plates which needs to be labelled, so just include a labelled diagram of these and that's useful as well.
History as well, about important scientists, is not something you need to learn in detail so much as just have listed on your notes sheet, so that's straightforward to learn quickly.
About the types of plate boundaries and subduction zones and mid-ocean ridges, I would recommend learning at little about in particular the basic features associated with them, trenches and island arcs, because those seem to me to come up pretty often.

Good luck.
"She was determined to drop his acquaintance immediately, and she was very thankful that she had never been acquainted with him at all... she hated him so much that she was resolved never to mention his name again, and she should tell everybody she saw, how good-for-nothing he was."

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Re: Dynamic Planet B/C

Postby OrigamiPlanet » December 17th, 2017, 2:00 pm

knottingpurple wrote:
scioly2012 wrote:
Tailsfan101 wrote:
    Some good info to include on there includes:
  • Thickness of each layer of the earth
  • Types of plate boundaries (divergent, convergent, transform)
  • The plates of the earth
  • The discontinuities (Moho, etc.)
  • Info about important scientists
  • Subduction zones vs. mid-ocean ridges


Thank you so much!! <3 <3 <3


Agreed, basic info on the layers of the earth (not just thickness, but also knowing the order of the layers, haha) is probably one of the easiest things which come up often.
Also, lots and lots of tests will have a map of tectonic plates which needs to be labelled, so just include a labelled diagram of these and that's useful as well.
History as well, about important scientists, is not something you need to learn in detail so much as just have listed on your notes sheet, so that's straightforward to learn quickly.
About the types of plate boundaries and subduction zones and mid-ocean ridges, I would recommend learning at little about in particular the basic features associated with them, trenches and island arcs, because those seem to me to come up pretty often.

Good luck.


There is usually a math portion involved in these tests as well, which ask you to know how far a plate is going, usually centimeters per year. I would make sure you know how to do that, and maybe with significant figures as well. There may also be questions dedicated a lot on to America's hot spots, specifically Yellowstone and Hawaii. Learn those and their histories. Lastly, know isostasy, it's more than likely going to appear on the test, and usually those are some of the harder questions. Getting those may give you the edge.
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Re: Dynamic Planet B/C

Postby knottingpurple » December 17th, 2017, 4:44 pm

OrigamiPlanet wrote:
knottingpurple wrote:
scioly2012 wrote:
Thank you so much!! <3 <3 <3


Agreed, basic info on the layers of the earth (not just thickness, but also knowing the order of the layers, haha) is probably one of the easiest things which come up often.
Also, lots and lots of tests will have a map of tectonic plates which needs to be labelled, so just include a labelled diagram of these and that's useful as well.
History as well, about important scientists, is not something you need to learn in detail so much as just have listed on your notes sheet, so that's straightforward to learn quickly.
About the types of plate boundaries and subduction zones and mid-ocean ridges, I would recommend learning at little about in particular the basic features associated with them, trenches and island arcs, because those seem to me to come up pretty often.

Good luck.


There is usually a math portion involved in these tests as well, which ask you to know how far a plate is going, usually centimeters per year. I would make sure you know how to do that, and maybe with significant figures as well. There may also be questions dedicated a lot on to America's hot spots, specifically Yellowstone and Hawaii. Learn those and their histories. Lastly, know isostasy, it's more than likely going to appear on the test, and usually those are some of the harder questions. Getting those may give you the edge.


That's all good advice, I think the original question said the person was going to compete in DP in an invitational this Saturday so it won't help them very much anymore, but good advice for the next person who has to learn this event in a day, lol. :D
"She was determined to drop his acquaintance immediately, and she was very thankful that she had never been acquainted with him at all... she hated him so much that she was resolved never to mention his name again, and she should tell everybody she saw, how good-for-nothing he was."

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Re: Dynamic Planet B/C

Postby scioly2012 » December 17th, 2017, 5:17 pm

knottingpurple wrote:
OrigamiPlanet wrote:
knottingpurple wrote:
Agreed, basic info on the layers of the earth (not just thickness, but also knowing the order of the layers, haha) is probably one of the easiest things which come up often.
Also, lots and lots of tests will have a map of tectonic plates which needs to be labelled, so just include a labelled diagram of these and that's useful as well.
History as well, about important scientists, is not something you need to learn in detail so much as just have listed on your notes sheet, so that's straightforward to learn quickly.
About the types of plate boundaries and subduction zones and mid-ocean ridges, I would recommend learning at little about in particular the basic features associated with them, trenches and island arcs, because those seem to me to come up pretty often.

Good luck.


There is usually a math portion involved in these tests as well, which ask you to know how far a plate is going, usually centimeters per year. I would make sure you know how to do that, and maybe with significant figures as well. There may also be questions dedicated a lot on to America's hot spots, specifically Yellowstone and Hawaii. Learn those and their histories. Lastly, know isostasy, it's more than likely going to appear on the test, and usually those are some of the harder questions. Getting those may give you the edge.


That's all good advice, I think the original question said the person was going to compete in DP in an invitational this Saturday so it won't help them very much anymore, but good advice for the next person who has to learn this event in a day, lol. :D


Thank you everyone! My sister ended up placing in the middle, which is decent considering she only had a day to prepare! :D

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Re: Dynamic Planet B/C

Postby knottingpurple » December 17th, 2017, 5:21 pm

scioly2012 wrote:
knottingpurple wrote:
OrigamiPlanet wrote:
There is usually a math portion involved in these tests as well, which ask you to know how far a plate is going, usually centimeters per year. I would make sure you know how to do that, and maybe with significant figures as well. There may also be questions dedicated a lot on to America's hot spots, specifically Yellowstone and Hawaii. Learn those and their histories. Lastly, know isostasy, it's more than likely going to appear on the test, and usually those are some of the harder questions. Getting those may give you the edge.


That's all good advice, I think the original question said the person was going to compete in DP in an invitational this Saturday so it won't help them very much anymore, but good advice for the next person who has to learn this event in a day, lol. :D


Thank you everyone! My sister ended up placing in the middle, which is decent considering she only had a day to prepare! :D


Congrats to her! I had a somewhat similar thing where my sister decided to prepare for DP tryouts at her school in a day, but she also had the advantage that I gave her my Nats notes sheet. It's really impressive to have managed a decent understanding of the event starting from scratch, and competition is always harder than tryouts...
"She was determined to drop his acquaintance immediately, and she was very thankful that she had never been acquainted with him at all... she hated him so much that she was resolved never to mention his name again, and she should tell everybody she saw, how good-for-nothing he was."

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Re: Dynamic Planet B/C

Postby principlematters » December 29th, 2017, 1:11 pm

Hey, you guys! It's my first year in science olympiad soooo i don't really understand some of the terms and i can't find anything online really about one topic which is " Continental drift's role on opening and closure of ocean gateways and land bridges, with specific reference to ocean circulation changes, climate changes, and biotic migrations " can someone please leave some links or something? thanks! :D :!:

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Re: Dynamic Planet B/C

Postby principlematters » December 29th, 2017, 1:16 pm

OrigamiPlanet wrote:
knottingpurple wrote:
skiski wrote:Hello! Can someone possibly help me determine the meaning of letter F: "Continental drifts role on opening and closure of ocean gateways/ land bridges, with specific reference to ocean circulation changes, climate change, and biotic migrations"? I took some notes on the land bridge theory, but I'm completely lost on everything else. What do I search up to find information on this topic?
Thanks in advance! :D


I can remember people being weirded out by that bit last year as well, I think part of it might be the ability of the West Wind Drift to circulate after the other continents separated from Antarctica, and another bit is talking about speciation as a result of physical separation of species, but I haven't yet found any good sources on this bit.


So far, in my notes, the only thing I have are what land bridges and ocean gateways are, and how they relate to biology in general. I know it doesn't sound much, but you should try and google "ocean gateways" and find something that has even the slightest bit of information. This is definitely one of the most ambiguous topics for dynamic planet, and I rarely see questions like this appear; that doesn't mean your next competition definitely won't include it though, as anything goes.



Oh my gosh just saw this lol but i have like no notes on any of this soooo the whole thing is confusing to me

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Re: Dynamic Planet B/C

Postby Pettywap » January 2nd, 2018, 10:21 am

In the rules its talks about hydro-thermals and hydrocarbons, but what are they and what could be tested on them?
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Re: Dynamic Planet B/C

Postby OrigamiPlanet » January 2nd, 2018, 1:30 pm

Pettywap wrote:In the rules its talks about hydro-thermals and hydrocarbons, but what are they and what could be tested on them?


Hydrocarbons sounds like what it is - molecules of hydrogen and carbon. They can form in things like hydrothermals, which are heated water vents. The hydrocarbons can be used as evidence for certain reactions.

That's just the general summary, so I'm not sure if this would be of much use. You'll have to look into it more from there.
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