Structural Engineer: How People Earn Income SAVE LESSON Social StudiesMaterialsEconomicsMoney30-60 Minutes1st2ndAll K-2 In this adventure, you will think like structural engineers and design a bridge to earn income! Lesson StructuralEngineer_EarningIncome_Lesson Video Handouts StructuralEngineer_EarningIncome_Hanouts Content Check Structural Engineer_Content Check Writing Extension StructuralEngineer_HowPeopleEarnIncome_WEXT_K-2_SS Badge StructuralEngineer_Badge Vocab Cards StructuralEngineer_How People Earn Income