TO BE USED WITH CRASH COURSE: ASTRONOMYONLINE EDUCATIONAL VIDEO SERIESEMERGENCY PLANS / SUB PLANS: YES!DISTANCE LEARNING: YES!GRADES: 9-12This purchase is to be used along with the online educational video series CRASH COURSE. Full link and QR Code to the correct video are included with the student worksheet so students will have easy access both in class or using their own technology.Crash Course Videos are found FREE online and present a variety of educational topics in short 9-13 minute video