This thick glass bell jar with base plate includes an electric bell on a rubber mount to demonstrate that sound does not propagate in a vacuum.
This thick glass bell jar with base plate includes an electric bell on a rubber mount to demonstrate that sound does not propagate in a vacuum. Remove the air from the jar and the sound from the bell gradually fades.
This is a replacement 120V AC to 9V DC power supply.
Plastic bases with screw-type light bulb sockets and spring-loaded metal clips to hold leads.
A small support with a low profile that will accept 1/2 inch (12.7 mm) threaded rods. The included threaded steel rod is 25 cm long.
Non-threaded and non-magnetic lab rod.
Shorter mass hanger designed for larger masses, ideal for use with Structures Systems.
Screw-type base light bulbs that are suitable for use with Light Bulb Sockets (EM-8630).
Self-adhesive conductive patches designed to be used with EKG Sensors. (one year shelf life).
This one-liter plastic graduated cylinder has three hose fittings–useful for experiments requiring either a specific amount of water, a constant flow of water, or water at a constant pressure.
A sturdy, general-purpose base can support one or two rods, and is ideal for experiment setups that require extra stability.
This 10-pack of disc sets allows students to derive the meaning of pi directly from their measurements. Four plastic disks with varying diameter in each set.
