"Shiv Dial Sud & Sons"

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

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

Best seller!

Show your students how the rate of acceleration of an object depends on the angle of incline with this great hands-on activity.

Reveal the Nature of Color and Light

Excellent for Introductory Mechanics Studies

These heavy-gauge aluminum carts come completely assembled with low-friction ball bearing wheels and space to carry five ordinary bricks.

For Clean and Accurate Results

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

Visualize acceleration and centripetal force with this unique device.

A classic demonstration of the dependence of angular acceleration on moment of inertia.

Take the classic resonance box to a whole new level.

An attractive an easy to use resonance apparatus.

ELECTRODE STRIP ZINC 19 X 100MM PK12

ELECTRODE STRIP COPPER 19 X 100MM PK12

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