Just how long is 14 billion years? It can be hard to wrap our minds around cosmic time. In this activity, students will frame cosmic time into a calendar year. If the big bang occurred January 1st, and today is December 31st, when was our sun born? When were dinosaurs alive?

Included in your purchase:

1. PRINTABLE VERSION: In this version, students will cut and glue icons onto the printable calendar, and answer questions at the end of the activity.
2. DIGITAL VERSION: In this version, students will digitally cut/paste icons onto the calendar. Both printable and Google slide versions are included.