All the episode guides in this bundle are part of the COMPLETE SERIES (99 Episodes) Bundle:Bill Nye COMPLETE SERIES 99 EPISODE BUNDLEThis is BILL NYE THE SCIENCE GUY: PHYSICAL SCIENCE PART 1 BUNDLE (15 Episodes). This bundle includes the following episodes:BalanceBuoyancyElectricityEnergyInventionsLight and ColorLight OpticsMagnetismMeasurementPhases of MatterProbabilitySimple MachinesSound Time Waves These products include:-PowerPoint Presentations-KWL Charts-Video Guide Worksheets-Answer KeysT