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MP3 1. Jack Hartmann - World of Wonder
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MP3 2. Jack Hartmann - I Can Do What Scientists Do
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MP3 3. Jack Hartmann - Air Is Everywhere
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MP3 4. Jack Hartmann - Living Things
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MP3 5. Jack Hartmann - Non-Living Things
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MP3 6. Jack Hartmann - Life Cycle of a Butterfly
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MP3 7. Jack Hartmann - Water Is so Amazing
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MP3 8. Jack Hartmann - Re-Use
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MP3 9. Jack Hartmann - Reduce
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MP3 10. Jack Hartmann - Daytime and Nighttime
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MP3 11. Jack Hartmann - State of Matter Game
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MP3 12. Jack Hartmann - Move Like a State of Matter
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MP3 13. Jack Hartmann - All Different Things and the T
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MP3 14. Jack Hartmann - What a Plant Needs to Stay Ali
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MP3 15. Jack Hartmann - What a Dog Needs to Stay Alive
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MP3 16. Jack Hartmann - What Is the Weather Today
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MP3 17. Jack Hartmann - Cycles in Nature
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MP3 18. Jack Hartmann - Shape Dance & Freeze
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MP3 19. Jack Hartmann - Mealworm Life Cycle
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MP3 20. Jack Hartmann - I Can Spell My Science Words 1
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MP3 21. Jack Hartmann - I Can Spell My Science Words 2
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MP3 22. Jack Hartmann - I Can Spell My Science Words 1
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MP3 23. Jack Hartmann - State of Matter Game Open Answ
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MP3 24. Jack Hartmann - State of Matter Game Open Vers
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MP3 25. Jack Hartmann - Daytime and Nighttime Open Ans
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MP3 26. Jack Hartmann - Daytime and Nighttime Open Ver
