Search found 34 matches

by mej710
February 26th, 2014, 2:57 pm
Forum: 2014 Study Events
Topic: Anatomy B/C
Replies: 147
Views: 37542

Re: Anatomy B/C

Could you guys help explain how a impulse works, with the Na+ and K+ transfer? I don't get it :!: :!: :!: Basically, when a neuron is at resting membrane potential, there is a higher concentration of Na+ ions outside the cell and a higher concentration of K+ ions inside the cell. However, there are...
by mej710
February 22nd, 2014, 5:15 am
Forum: 2014 Study Events
Topic: Dynamic Planet B/C
Replies: 75
Views: 23313

Re: Dynamic Planet B/C

Does anyone have any ways to study pictures of glaciers? The picture ID sections sometimes trip me up. One thing that helped me identify glaciers and other features on a topographic map was putting some examples on my note sheets to reference during the event. Or maybe you can look for a few differ...
by mej710
February 22nd, 2014, 4:23 am
Forum: General Competition
Topic: What do you do at practices?
Replies: 20
Views: 2818

Re: What do you do at practices?

We have a Tuesday, Wednesday, and Thursday practices. Most of the time we also have a late stay on Friday that goes to 7:00 PM or 8:00 PM. The practices during the center of the week are an hour and a half long; which consist of 30 minutes of coach discussion, 30 minutes of teammate discussion, and...
by mej710
February 18th, 2014, 7:13 am
Forum: 2014 Study Events
Topic: Simple Machines B/Compound Machines C
Replies: 196
Views: 54544

Re: Simple Machines B/Compound Machines C

You could just use a class 1 lever but the event requires that you use a class 1 lever connected to a class 2 lever. We linked the end of a class 1 lever to the end of a class 2 lever and hung the known mass from the end of the class 1 lever that is opposite the end that connects to the class 2 leve...

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