Il vetro

Quiz
•
Science, Other
•
1st Grade
•
Medium
Sara Castiglioni
Used 11+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La principale materia prima per produrre il vetro è...
silice
caolino
cellulosa
marmo
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A quale range di temperatura viene fuso il vetro?
1200-1500°C
inferiore a 1200°C
superiore 1500°C
2000-2500°C
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Il vetro è un materiale trasparente, isolante e .................. (è inattaccabile dagli agenti atmosferici e dagli acidi)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il processo di produzione di un oggetto di vetro prevedere una fase di ricottura o raffreddamento.
vero
falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Questa immagine quale tecnica di produzione del vetro rappresenta?
soffiatura meccanica
soffiatura manuale
float-glass
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Nella tecnica float-glass, la massa vetrosa fluida scorre su di un letto di .........
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
fibra di vetro
profilo di vetro
lastre di vetro
pasta di vetro
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