Eisco™ Buzzer In A Vacuum Jar Kit

Description

• Effectively demonstrates the fact that sound waves cannot travel without air or matter When the buzzer is placed beneath the jar and a vacuum seal is created in the chamber, students will observe a total absence of sound Once air is returned to the chamber, the sound of the buzzer can be heard Constructed of thick acrylic plastic with removable bottom Top and bottom o-rings ensure a leak free fit Valve on top to crease easy connection for vacuum pump Internal buzzer with flip switch Recommended for use with any basic hand vacuum pump (not included) Battery included