Name: Guardoinrt Sound Phycs Demonstration Scientific Experimental for the exhaust valve,so that Classroom Lab
Brand: Guardoinrt
SKU: 1TEZAC1K3KRZ
Price: 83.89 CAD
Availability: InStock

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Guardoinrt Sound Phycs Demonstration Scientific Experimental for the exhaust valve,so that Classroom Lab

<ul><li>[Vacuum Sound Jar]:Place the electric bell in the jar,and you can hear a clear bell,and then pull out the air,the bell will gradually weaken until no sound can be heard.Close the exhaust valve,so that students can observe.The bell still keeps ringing,but no sound can be heard</li><li>[Vacuum Sound Jar]:Place the electric bell in the jar,and you can hear a clear bell,and then pull out the air,the bell will gradually weaken until no sound can be heard.Close the exhaust valve,so that students can observe.The bell still keeps ringing,but no sound can be heard</li><li>[Keep Tidy]:Tiered display stand,which can arrange and display your various action figures neatly and orderly,keep the desktop clean and not messy</li></ul>

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Description:[Vacuum Sound Jar]:Place the electric bell in the jar,and you can hear a clear bell,and then pull out the air,the bell will gradually weaken until no sound can be heard.Close the exhaust valve,so that students can observe.The bell still keeps ringing,but no sound can be heard. [More Experiments]:A cup of boiling hot water has been discharged into the bell jar,and then pumped,you can see that the hot water in the cup is boiling again.In addition,this instrument can also be used for experiments such as vacuum fountain,evaporation icing,vacuum coating,and atmospheric pressure. [Easy to Install]:The for operation of the sound physics demonstration is very simple,so students can have better and happier learning in class. [Material]:Adopting premium PP and Glass material,the transparent hood can clearly demonstrate the electric bell inside,very easy to check [Convenient Carry]:Comes with a light weight and a compact size as well,the whole vacuum bell jar set is very convenient to carry to outdoor.Specifications:Material:pp glassSize:28cmx18cm/11.02inch x 7.09inchNote:1.This is not infant toy,please take away from children to avoid eating. 2.Please allow slightly errors due to manual measurement and different monitors.Package included:1 Vacuum Bell Jar 1 Bell 1 Vacuuming Plate

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