Youll have to lodge the end of the sticks in the ground, you cant do it on this surface, it will tip over easily. Do it on dirt. Also get a stronger rope and tie the top through and through very well.
Answer:
For question 2, yes it does look correctly proportioned.
For question 1, I am not completely sure on, but it does look like it could be representing strength/power.
D. British Columbia, I think. I'm not 100% sure though. Hope that helps.
Answer:
Determine size (by counting lines and spaces between the notes)
Determine if the top note is in the major scale of the bottom note.
If it is: the interval is perfect (if it is a unison, fourth, fifth, or octave) or it is major (if it is a second, third, sixth, or seventh)