Vacuum Bell Jar,Sound Physics Demonstration Vacuum Sound Jar Vacuuming Demonstration Hood Teaching Tools for Classroom Laboratory for Sound Propagation Experiment

Specification:Item Type: Vacuum Bell JarMaterial: PVCBattery: 2 x AA battery, shipped without batteries. Package List:1 x Vacuum Bell Jar 1 x Bell1 x Vacuuming Plate

• Vacuum Bell Jar Experiment: By placing the electric bell inside the jar, workers can observe a clear sound produced. As the air is gradually pumped out of the jar, the sound of the bell will diminish until it eventually becomes inaudible.By closing the exhaust valve, workers can witness the bell continuing to ring silently, providing a fascinating demonstration of sound physics.
• Versatile Experimental Capabilities: In addition to the sound demonstration, this instrument can be used for a variety of experiments. Furthermore, the instrument can be utilized for experiments such as the vacuum fountain, evaporation icing, vacuum coating, and atmospheric pressure studies.
• User-Friendly Operation: The operation of the sound physics demonstration is straightforward, allowing workers to engage with the experiments easily and enjoy a more enriching learning experience in the classroom.
• Durable PVC Construction: Constructed from high-quality PVC material, the transparent hood of the jar provides a clear view of the electric bell inside, facilitating easy observation and inspection during experiments.
• Portable Design: With its lightweight and compact size, the vacuum bell jar set is convenient to carry outdoors, enabling educators to conduct engaging and interactive physics demonstrations in various settings with ease.