I know someone who was on their science olympiad team. In DD's school, there are kids that go to worlds in chemistry olympiad or math plympiad. Are they separate organizations? It seems science olympiad is all teams. In DD's school you can do each of the sciences olympiad, so you specialize in physics or chemistry or math etc.

As far as I know, they are all unrelated, though I really only have expeience with science olympiad, so cant speak definitively on the others.

Science Olympiad is only a US organization (though they have teams in Japan and have had some participation in the US national tournament by Japanese teams). One of the main aspects of science olympiad is that it is designed as a team competition. Team members compete in various events, which can entail any area(s) of science; most kids end up doing between 3-5 events, there are 15 team members. The events are specifically designed to require two or three students per event, working together. The success of a team is dependent on how the participants do in about 25 different events, so collaboration and communication, and lots and lots of teamwork are usually required for teams to do well. The teamwork aspect is really what made this activity different, and rewarding for my kids, as compared to other competition opportunities they had (they are not fond of competing, or the hyper-competitive mindset that can come with it, but really enjoyed the camaraderie and finding their people).

I know the other olympiads have teams, but in my limited understanding the competitions function more like the AMC team portion, where scores are added together, but students don’t necessarily work together as a team- but I may be wrong on this (no direct experience).

Kids from dd's school aren't on a team. They compete individually in subject specific. And if they do well, they can compete at Worlds. I just know this one boy went to the chemistry olypiad in Europe a couple of years ago.
Though I think they started a junior science olymiad that is a team.

Yes, the subject-specific Olympiads are totally different.
The events in science Olympiad are more specific science topics, and many involve some building/engineering aspect; most have some testing involving application of knowledge and problem-solving, even events that are primarily a written exam (some events are exam-style, some building engineering devices and some are lab or inquiry-based).

The individual Olympiads I am aware of are mainly knowledge-exams as far as I know, and not the same at all, not the same organization. If you google there is a lot of stuff online about science Olympiad, and about the others, too (at least there is for the physics one, the only one I have ever looked at).

I did google it since I posted. But I was not sure if they were related at all. It seems very popular to do the subject specifics ones in Toronto.

In DD's school there is an international Junior Science Olympiad. They went to Qatar to compete. That is a team, but again, not the same as the US science olympiads, I think. Although whoever wins nationals, do they go to Internationals? because it is now. Which is a strange time to have internationals.

They are different organizations, completely different type of competitions. As far as I know, there is no international component to the science olympiad, aside from the participation of a Japanese team as a sort of ambassador team. The US-based science olympiad competitions basically run through the typical us school calendar, with the national tournament in late May or sometimes early June. As far as I know (our team has not won nationals during our tenure) the competition ends after nationals; the winning teams get the honor and admiration of their co-competitors, and often many event winners are offered scholarships or prizes from the host university and/or sponsoring companies or organizations (such as NOAA, the CDC, etc).

I’m not familiar with the junior science olympiad, but from my brief search, it appears to be very different, more akin to the subject-specific competitions.


In case this helps, here are a couple links to science olympiad (the US competition) sites.

https://www.soinc.org/

https://scioly.org/wiki/index.php/Main_Page

https://www.scienceolympiad2020.com/

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