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VACUUM SOUND JAR: Place the electric in the jar, and hear a clear bell, pull out the air, the will gradually weaken until no sound heard.
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Updated 4 months ago
- VACUUM SOUND JAR: Place the electric in the jar, and hear a clear bell, pull out the air, the will gradually weaken until no sound heard. Close the exhaust valve, so that students can observe. The still keeps ringing, but no sound heard.
- MORE EXPERIMENTS: A cup of boiling has been discharged into the jar, pumped, see that the in is boiling again. In addition, this instrument can also be used for experiments such as vacuum fountain, evaporation icing, vacuum coating, and atmospheric pressure.
- SIMPLE The of the sound physics demonstration is very simple, so students can have better and happier learning in class.
- GOOD PVC: Adopting premium PVC material, the transparent hood can clearly demonstrate the electric inside, to check.
- CONVENIENT CARRY: Comes with a and a compact size as well, the whole vacuum jar set is very convenient to carry to outdoor.
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Product added to Topelio
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Product Info
- Brand
- Fabater
- Model
- Fabaterknx87tdb45
- Sales Rank
- #1,007,733
- Identifiers
- ASIN
- B0CLGR2T53
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