US$ 86.62
this stackable sifter set separates granular materials by particle size in classroom earth-science activities
Topped with a large conductor sphere and a deflecting needle indicator
providing the standard mid-reach branching wire for 4mm-socket student bench circuits
Raw gypsum hand sample measures approximately 3 inches with Mohs 2 hardness (fingernail scratch test) for evaporite mineral identification
Manual spirometry kit measures lung volumes
Activity Series AP Chemistry Kit for Metal Reactivity and Redox Chemical_Magnesium Carbonate this stackable sifter set separatesActivity series AP Chemistry kit ranks metal reactivity through displacement reactions, electrochemistry principles, and systematic comparison methods.
US$ 86.62
US$ 65.93
US$ 150.56
US$ 52.03
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