Solar System B

[brobo]

Why they appear, what causes them, etc. That kind of falls under "things to know about the Sun and CME, solar flares, and the solar winds"

[AlphaTauri]

Brobo, it's actually specifically mentioned under 3i. "Auroras, magnetic fields, meteors, meteor showers and crater-producing events".

This is what I had in my notes about auroras (mostly from Wikipedia):

Ions flow away from the sun in a stream of plasma known as the solar wind. When the plasma comes into contact with Earth's magnetic field, the ions excite gases in the atmosphere. As molecules collide and/or emit light, they release that energy and return to a lower energy state. The spectacular colors of the aurora are the emissions from the excited molecules. Oxygen produces brownish-red (only high up in the atmosphere, where it's less dense and there's more oxygen) and green auroras, while nitrogen produces blue or red. At high altitude oxygen red dominates, then oxygen green and nitrogen blue/red, then finally nitrogen blue/red when collisions prevent oxygen from emitting anything. Auroras are more likely to occur at higher latitudes and particularly near Earth's Magnetic Poles. However, during times of increased solar activity (when there are more sunspots and flares), the aurora can be seen further south and in extraordinary cases, as far south as Florida and Texas.

Also, correct me if I'm wrong, but weren't magnetic fields in the rules last year (and therefore shouldn't be bolded as new)?

[HannahD413]

Also, correct me if I'm wrong, but weren't magnetic fields in the rules last year (and therefore shouldn't be bolded as new)?

I was just looking at last years rules since you mentioned it and this is what I found:

i. Auroras, meteors, meteor showers, crater-producing events, magnetic fields, ect.

This year: "i. Auroras, magnetic fields, meteors, meteor showers and crater-producing events"

Apparently they flipped the order and got rid of the "ect.", so they bolded it as if it were new.

Other than the change to topic group n, the only differences are the order for topic group i, the word natural added before satellites, and the word gaseous to replace the word giant.

[tying15]

Brobo, it's actually specifically mentioned under 3i. "Auroras, magnetic fields, meteors, meteor showers and crater-producing events".

This is what I had in my notes about auroras (mostly from Wikipedia):

Ions flow away from the sun in a stream of plasma known as the solar wind. When the plasma comes into contact with Earth's magnetic field, the ions excite gases in the atmosphere. As molecules collide and/or emit light, they release that energy and return to a lower energy state. The spectacular colors of the aurora are the emissions from the excited molecules. Oxygen produces brownish-red (only high up in the atmosphere, where it's less dense and there's more oxygen) and green auroras, while nitrogen produces blue or red. At high altitude oxygen red dominates, then oxygen green and nitrogen blue/red, then finally nitrogen blue/red when collisions prevent oxygen from emitting anything. Auroras are more likely to occur at higher latitudes and particularly near Earth's Magnetic Poles. However, during times of increased solar activity (when there are more sunspots and flares), the aurora can be seen further south and in extraordinary cases, as far south as Florida and Texas.

Also, correct me if I'm wrong, but weren't magnetic fields in the rules last year (and therefore shouldn't be bolded as new)?

Thanks

[waawamellon]

I have an invitational TOMARROW!
I have all my notes and stuff ready except this event!!
I'm not trying to sound too desperate, but does anybody have somthing I can put in my notes that isnt strait from the Wiki??
please?

****** MUCH TIME LATER ****

Okay I think I got it : D
thanks for the help

[rfscoach]

I just uploaded the Solar System Test that I made for the Fulton Science Academy Div B Invitational that was held on Sat. Dec. 11, 2010. I gave it a test run on one member of the FSA 2010 National Team (9th in Solar System) earlier in the week. He scored 55/60. Top scores at the competition were 44, 42, 38, 35. Any feed back about the format and questions would be appreciated.

[Epicfail21]

Would Pluto still be the answer to the smallest planet, or would the answer be Mercury?

[HannahD413]

Mercury, I would assume, since Pluto is no longer a planet, thus it cannot be the smallest one.

[brobo]

Would Pluto still be the answer to the smallest planet, or would the answer be Mercury?

That really depends on what your proctor thinks. At a tournament earlier in the year, the proctor told us to consider Pluto a planet, while at other tournaments pluto wasn't a planet. I would ask your proctor just to be sure. "Better to be safe than sorry!"

[HannahD413]

I just uploaded the Solar System Test that I made for the Fulton Science Academy Div B Invitational that was held on Sat. Dec. 11, 2010. I gave it a test run on one member of the FSA 2010 National Team (9th in Solar System) earlier in the week. He scored 55/60. Top scores at the competition were 44, 42, 38, 35. Any feed back about the format and questions would be appreciated.

I can't find this, where is it uploaded? I checked the 2011 Test Exchange and it is not showing up.