"The Mystery of Lyle and Louise"

Students research a variety of macromolecules.

Dark, waxy, bitumin-rich.

CAS Number: 10361-37-2
Formula Weight: 208.27
Formula: BaCl₂
Hazard Info: Toxic
Density (g/mL): 3.9
Boiling Point (°C): 1560
Freezing Point (°C): 963
Solubility: Water
Synonyms: Barium Dichloride
Shelf Life (months): 36
Storage: Blue

Ideal for studying rotational dynamics.

Easily measure angles on negatives.

Gray to white, coarse crystalline, carbonate rock.

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

Nearly pure, green crystalline forsterite.

Fine crystalline, pure calcite.

Red, classic oolitic texture.

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

For first aid/rescues.

Dark gray with abundant gas pocket vesicles.

Gray and poorly sorted, with a gritty texture.

Produce Light Energy from a Chemical Reaction!

Codeable, 3D-printed robotic hand for interactive STEM learning.