"PARKWAY PLASTICS, INC."

Gray to white, coarse crystalline, carbonate rock.

Classic, dark; from the Columbia Plateau.

Classic “peacock” aluminum ore.

General Catheterization practice!

Buff, coarse, crystalline “Austin Marble” with shell casts and molds.

Pure, bright yellow, Frasch sulfur.

The Friction Rod Kit has all the materials needed to perform a variety of electrostatic experiments and demonstrations.

Fightly cemented, medium-to-coarse quartz grains.

Black, Micaceous, glittery metallic.

Silvery, paragranite and muscovite-rich with medium garnet crystals.

Fine, common limestone; massive, and will fizzle with HCl.

White, fibrous, silky luster.

Lustrous, black 'hard coal'.

Small, rounded pebbles and tightly cemented granules.

Examine the various tissues in vascular bundles found in these vertical section of a dicot and Monocot leaves.

Students actively model the concept of half-life and radioactive decay.