In art we discussed how lines are like building blocks and are one of the elements of art. 2nd graders practiced creating various lines from the worksheet below and then incorporated them into their landscapes, seascapes or cityscapes.
Famous-Lines
Lines worksheet from http://www.thebeeskneescousin.com/art-ed-blog/famous-lines
Lesson idea from http://tabithaannthelostsock.blogspot.com/2014/08/line-landscapes.html