Produzione del vetro cavo
Quiz
•
Other
•
6th Grade
•
Medium
Prof. A. Battistelli
Used 55+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
IL VETRO È ECOLOGICO? È RICICLABILE?
No, non si può riciclare
Si ricicla fino a una decina di volte
Si può riciclare infinite volte
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual è la materia prima fondamentale per fare il vetro? [riguarda il video, se occorre o la mappa]
Salgemma
Silice (sabbia di quarzite)
Sabbia di fiume
Salice
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Quali altre materie prime vengono aggiunte alla quarzite?
SODA (bicarbonato): fa fondere a temperature più basse
CAOLINO (argilla bianca): fa fondere a temperature più basse
SILICONE: migliora la resistenza meccanica
CALCE: vetro più resistente all'usura
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si può fare il vetro con vetro riciclato?
Si, con qualsiasi tipo di vetro
No, mai
Si, solo con vetro comune (non cristallo o simile) e trasparente o stesso colore
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Come si chiama la goccia di vetro fuso che finisce negli stampi?
Bario
Bolo
Berilio
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cos'è la parison [si legge pareison]?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Come si forma una bottiglia?
Una macchina modella la forma
Una macchina ruota la parison fino a formare la bottiglia
La parison viene gonfiata in uno stampo
Una macchina soffia nella parison, mentre la fa ruotare
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