How do the five elements on the arrowhead emblem symbolize the National Park Service? How can the five elements on the arrowhead emblem be observed at Bryce Canyon National Park? Objective In this lesson students will learn about the mission of the National Park Service and how it relates to Bryce Canyon National Park through a guided exploration of the elements represented on the NPS Arrowhead emblem. Background There are two versions of this activity aimed at different age/ability levels. The version for elementary students involves viewing a PowerPoint about the arrowhead emblem and Bryce C Duration: 60 Minutes.