"The Mystery of Lyle and Louise"

Dark, waxy, bitumin-rich.

Easily measure angles on negatives.

This combined safety device can be used to flush contaminants from eyes, face, or entire body.

Economy blue hand vac pump for experiments in air pressure, vacuum filtration, and leak checks.

Simple models illustrate insect life cycles.

Specially designed by Science Kit, this set enables teachers to create a lab experience which clearly demonstrates the cellular differentiation among the types of living organisms found in the five kingdoms.

Pure translucent to white, rhombic cleavages, Mohs’ hardness of 3.

Nearly pure, green crystalline forsterite.

Gray to white, coarse crystalline, carbonate rock.

Hole punch

Dark gray with abundant gas pocket vesicles.

Gray and poorly sorted, with a gritty texture.

For first aid/rescues.

CAS Number: 584-08-7
Formula: K2CO3
Density: 2.428 g/mL
Freezing Point: 891°C
Solubility: Water
Synonyms: Potash, Carbonic Acid Dipotassium Salt
Shelf Life: 12 Months

Fine crystalline, pure calcite.

Red, classic oolitic texture.