"PARKWAY PLASTICS, INC."

Red, classic oolitic texture.

Light gray, fine-grained, well-foliated, schistose.

Gray-to-brown basaltic, with over 50% vesicles.

The Student Double-Wall Calorimeter is an inexpensive necessity for your experiments.

Massive, chlorite-rich.

Economy LDPE dropper bottles.

Foam brushes are designed for cleaning lab glass and plasticware.

Collection of popular Algae samples.

Useful for individual or group study of molecules, these model sets offer an interactive learning opportunity.

Nearly pure, green crystalline forsterite.

Coarse-grained plagioclase and pyroxene with some olivine.

Classic, dark; from the Columbia Plateau.

Light gray, with flow structure.

Slaty cleavage; contains hematite.

White, mature, friable.

Demonstrate Characteristics of Primary and Secondary Cells