"STEM kits"

This kit is a unique teaching tool for introducing students to the chemistry behind plant pigments (the blueberry bio-pigment cyanidin) and how they can be used as pH indicators and fabric dyes.

Earthy, yellow brown iron ore.

Porphyritic igneous rock containing biotite, feldspar, and hornblende.

Conglomerate is a sedimentary rock made up rounded quartz pebbles.

White to gray, medium to coarse-grained, crystalline.

Sale

Understand how biotechnology works through modeling.

Gray to white metamorphosed carbonate rock.

Muscovite is a mica mineral cut to demonstrate basal cleavage.

Kaolin is a white clay mineral that has vast industrial uses

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Hemalite is a Massive, dense red to gray, classic example of iron ore.