The student is shown a timeline of stellar evolution going through the various stages (protostar, main sequence, red/yellow giant, planetary nebula, white dwarf) for a sunlike star and is asked various question regarding the production of elements in various stages or the timespan spent in those stages.
keywords: stellar evolution, stage, protostar, main sequence, red giant, yellow giant, planetary nebula, white dwarf, timespan
swf file: ca_stellarevolution_sunstages.swf