"Shiv Dial Sud & Sons"

Torsion of Metal Rods Apparatus shows students the affect of a torque on a metal rod.

Both of these sets come with a roll-up style canvas storage pouch and a solid rubber activator.

For Clean and Accurate Results

This balance is the first major advancement in teaching simple machines in decades.

Best seller!

Reveal the Nature of Color and Light

Take the classic resonance box to a whole new level.

An attractive an easy to use resonance apparatus.

CAS Number: 7439-92-1
Formula Weight: 207.19
Formula: Pb
Hazard Info: Toxic
Density (g/mL): 11.34
Boiling Point (°C): 1753
Freezing Point (°C): 327
Solubility: Dilute Nitric Acid
Shelf Life (months): 36
Storage: Green

ELECTRODE STRIP COPPER 19 X 100MM PK12

GLASS 1 X 1-3/4 X 1/8 CLEA

ELECTRODE IRON 22 X 125MM PK12

CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Density (g/mL): 8.45-8.86
Freezing Point (°C): 898-1064
Synonyms: Copper-zinc Alloy
Shelf Life (months): 36
Storage: Green

MAGNET HORSESHOE 7.5 CM

ELECTRODE STRIP ZINC PK12

ELECTRODE STRIP ALUMINUM 22 X 125MM PK12