"Human Biology Lab Activities&amp"

Convenient diffraction grating with three different spacings

Demonstration motor with permanent magnets and electromagnets.

Open design demonstrates how a DC motor works.

Demonstrate the relationship between force and elongation in a spring.

Vividly demonstrate Newton's concept of inertia.

Investigate forces on an incline plane.

Economical inclined plane with pulley.

Large demonstration kit for pulley systems, with wheel and axle.

High-quality pulley can be mounted on a support rod or table.

Investigate the spectral pattern of different gases.

Device designed to teach Fleming’s left hand rule.

Convenient lens set for optical experiments.

Demonstrate the internal reflection of a laser.

Equal mass cylinders of metals and nonmetals for density investigations.

Square column metal set for density and specific gravity studies.

Hand-held spectroscope shows the component wavelengths of light.