- AudiolivroFiguring Out FossilsSally M. Walker
- AudiolivroMarveling at MineralsSally M. Walker
- AudiolivroStudying SoilSally M. Walker
- AudiolivroResearching RocksSally M. Walker
- AudiolivroInvestigating HeatSally M. Walker
- AudiolivroPut Screws to the TestRoseann Feldmann
- AudiolivroPut Wedges to the TestRoseann Feldmann
- AudiolivroInvestigating SoundSally M. Walker
- AudiolivroPut Pulleys to the TestRoseann Feldmann
- AudiolivroInvestigating LightSally M. Walker
- AudiolivroInvestigating MagnetismSally M. Walker
- AudiolivroInvestigating ElectricitySally M. Walker
- AudiolivroUnderground FireSally M. Walker
- AudiolivroInvestigating MatterSally M. Walker
- AudiolivroPut Levers to the TestRoseann Feldmann
- AudiolivroPut Inclined Planes to the TestRoseann Feldmann