This activity covers pulsating variable star cycles, considering how their brightness varies as if it were a heartbeat. Students will be asked to estimate data from an image and then convert it into a graph. They will then need to read data from the graph and consider what this implies.
Age Range: 12-16
Prep. Time: 10 minutes
Lesson Time: 2 hours 15 minutes
Cost per activity: Low (printer cost)
Includes the use of: Graph paper, ruler, pencil, print outs