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A bell jar is a glass jar, similar in shape to a bell (i.e. in its best-known form it is open at the bottom, while its top and sides together are a single piece), and can be manufactured from a variety of materials (ranging from glass to different types of metals). Bell jars are often used in laboratories to form and contain a vacuum. It is a common…
Culture, Vacuum & In popular culture
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bell vacuum jar glass used air experiments jars also candle inside experiment effect placed oxygen sound pressure common form propagation
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Bell jar | Uses | Enclosing objects, containing gases or a vacuum | 1.00 | infobox |
| Bell jar | is a | glass jar | 0.90 | text |
| an alarm clock placed under a bell jar | instance of | where the experiment is repeated with an item | 0.80 | text |
| and the noise of the alarm clock fading as the air is pumped out being used to demonstrate the effect | instance of | where the experiment is repeated with an item | 0.80 | text |
| Bell jar | related to Candle in a bell jar experiments | Another | 0.60 | section |
| Bell jar | related to Candle in a bell jar experiments | The | 0.60 | section |
| Bell jar | related to Candle in a bell jar experiments | Joseph Priestley | 0.60 | section |
| Bell jar | related to Candle in a bell jar experiments | Experiments | 0.60 | section |
| Bell jar | related to Candle in a bell jar experiments | Observations | 0.60 | section |
| Bell jar | related to Candle in a bell jar experiments | Different Kinds | 0.60 | section |
| Bell jar | related to Candle in a bell jar experiments | Air | 0.60 | section |
| Bell jar | related to Candle in a bell jar experiments | However | 0.60 | section |
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