Periscope Force & Motion Air P2-9900-01 Argon P2-9900-02 Carbon
Yard notes & kiln story
Periscope Force & Motion Air P2 9900 01 Argon P2 9900 02 Carbon Air P2 9900 01 Argon P2 9900 02 Carbon Dioxide P2 9900 03 Helium P2 9900 04 Hydrogen P2 9900 05 Neon P2 9900 06 Nitrogen P2 9900 07 allowing students to explore wave properties hands on rather than just watching a single class demo
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