"Wards"

The Student Coin and Feather Tube shows the two items in a vacuum, falling at the same rate.

Teach About Gravity

Ideal for Collision and Pendulum Demonstrations

This model of the HIV virus is enlarged millions of times to show the outer lipid membrane with protein structures and the internal nucleoproteins and contained RNA.

Rectangular density set.

This newly designed rheostat features a protective cover.

Sand, pebbles, and gravel are all ideal for earth science experiments and simulated excavations.

This sturdy, seamless aluminum can measures 10 cm Ø.

Scientific tuning forks are designed for acoustic research, sound wave analysis, and calibration standards.

Show the surprising effect of an impulse load on a large inertial mass.

Useful for collision and pendulum experiments.

Mounted Resistance Coils feature four copper wires and one copper-nickel wire.

The 4 decade resistance box is a handy and convenient way to investigate resistance.

The Bread Board and Jumper Wire Set is ideal for any small electrical experiments.

These robust and engaging kits are designed as a resource for the teaching of introductory electricity.

This complete set of materials makes possible multiple dramatic demonstrations of basic electrostatic principles.