Contour Maps
¥ÒTo successfully
isopleth the 50-degree
isotherm, imagine that you're a
competitor in a roller-blading
contest and that you're
wearing number "50". You
can win the contest only if
you roller-blade through gates
marked by a flag numbered
slightly less than than 50 and a
flag numbered slightly
greater than 50.Ó

Click Òinteractive exerciseÓ
Click Òinteractive isotherm mapÓ
From