- Carte audioVegetablesRebecca Pettiford
- Carte audioThe World's Biggest ReptilesMari Schuh
- Carte audioThe World's Biggest MammalsMari Schuh
- Carte audioTrainsNikole Brooks Bethea
- Carte audioSinkholesVanessa Black
- Carte audioThe World's Biggest AmphibiansMari Schuh
- Carte audioFruitsRebecca Pettiford
- Carte audioCompostingRebecca Pettiford
- Carte audioThe World's Biggest BirdsMari Schuh
- Carte audioThe World's Biggest FishMari Schuh
- Carte audioPlantingRebecca Pettiford
- Carte audioThe World's Biggest InsectsMari Schuh
- Carte audioHarvestingRebecca Pettiford
- Carte audioHeat WavesVanessa Black
- Carte audioAvalanchesVanessa Black
- Carte audioRobots at HomeJenny Fretland VanVoorst
- Carte audioRobots in SpaceJenny Fretland VanVoorst
- Carte audioRobots in the FactoryJenny Fretland VanVoorst
- Carte audioBlizzardsCari Meister
- Carte audioLandslidesCari Meister
- Carte audioHurricanesCari Meister
- Carte audioTornadoesCari Meister
- Carte audioVolcanoesCari Meister
- Carte audioSkyscrapersRebecca Pettiford
- Carte audioDroughtsCari Meister
- Carte audioEarthquakesCari Meister
- Carte audioRoller CoastersRebecca Pettiford
- Carte audioTunnelsRebecca Pettiford
- Carte audioBridgesRebecca Pettiford
- Carte audioStadiumsRebecca Pettiford
- Carte audioDamsRebecca Pettiford
- Carte audioTsunamisCari Meister