This is such a great opportunity to discuss ideas such as: government, history, environment, immigration, law, equality, freedom, wealth, handling confrontation & disagreement, as well as the concepts of power and control with your students. Here are some online resources that might have something of interest:
How to talk to kids about election 2020 - William & Mary College
Teacher Planet - Election Day
Free Elections Worksheets from Teachers Pay Teachers
PBS Learning Media - The Election Collection
10 Activities That Teach the Presidential Election Process - We are teachers.com
Scholastic Election Collection
Education World - Primaries, Voting & Elections