STEM Rec Challenges March 11 - 15, 2019 Art Perspective Drawing. Perspective is a drawing technique that shows objects in 3-D on a flat piece of paper or canvas. The trick: using lines that recede to express a sense of distance. Perspective conveys depth and space. Drawing in one-point perspective seems complicated if you’ve never done it before. But if you know the rules, it's a snap. Students will be practicing these rules. Social Studies The Berlin Wall . Social Studies will present an introduction to the Cold War and the Berlin Wall. Students will learn about pilot Gail Halvorsen, born in Salt Lake City, Utah, and how he brought a sweet note to Operation Vittles, the United States military operation to bring food to the citizens of West Berlin. Of his own volition, he launched the adorably named Operation Little Vittles to bring candy and hope to the children of the blockaded city. Engineering Dinosaur Launchers. For this activity, students will be given...