Thank you to everyone who shares ideas in this forum – I have learned so much from all of you!
To explain visualization of data, I showed my students two things:
A graph of the planes in the air in real time (got into a discussion about safety with so much going on!)
A graph of the planes in the air on Wednesday, Nov 21, 2018 (busiest travel day of the year in the US)
A graph (actually a video of graphs) of flights in the air on September 11, 2001 as the events of 9/11 progressed