## Search found 20 matches

January 1st, 2011, 6:28 pm
Forum: 2011 Study Events
Replies: 158
Views: 29201

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The blank space between the lines is where the river is located.
January 1st, 2011, 6:06 pm
Forum: 2011 Study Events
Replies: 158
Views: 29201

No, they're not, but the contour interval is 20 feet.
January 1st, 2011, 6:00 pm
Forum: 2011 Study Events
Replies: 158
Views: 29201

Yup.
January 1st, 2011, 5:56 pm
Forum: 2011 Study Events
Replies: 158
Views: 29201

And if there was only one?
January 1st, 2011, 5:33 pm
Forum: 2011 Study Events
Replies: 158
Views: 29201

Quick question - If a depression occurs between two contour lines labeled '80 feet' and '100 feet', with 20 feet being the contour interval, what would the elevation of the depression be?
December 31st, 2010, 10:04 pm
Forum: 2011 Lab Events
Topic: Optics B/C
Replies: 513
Views: 67587

### Re: Optics B/C

I need a little help. There was a sample question about Snell's law, and there was this little bit of trigonometry that I didn't quite understand. Problem: A light beam in air hits a sheet of crown glass at an angle of 30.0°. At what angle is the light beam refracted? Known Θ1 = 30.0° n1 = 1.00 n2 =...
December 31st, 2010, 10:43 am
Forum: Posting Games
Topic: Ornithology ID Practice
Replies: 693
Views: 58956

### Re: Ornithology ID Practice

Yup. That is correct.
December 31st, 2010, 10:09 am
Forum: Posting Games
Topic: Ornithology ID Practice
Replies: 693
Views: 58956

### Re: Ornithology ID Practice

December 31st, 2010, 8:02 am
Forum: Posting Games
Topic: Ornithology ID Practice
Replies: 693
Views: 58956

### Re: Ornithology ID Practice

Inca Dove?
December 30th, 2010, 4:16 pm
Forum: General Competition
Topic: Fundraising
Replies: 25
Views: 4401

### Re: Fundraising

Last year, my elementary school raised money (for Yearbook, though, not S.O.) by selling food and drinks - bottled water, Gatorade, iced tea, ice cream, chips, etc. We earned enough to give the whole 6th grade class free yearbooks - they were probably about 30 pages each for 100+ people - and CD's. ...