Metālu rūdas Zemes dzīlēs

Quiz
•
Geography
•
5th Grade
•
Hard
Gabriela Maķevica
Used 2+ times
FREE Resource
8 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Kuri derīgie izrakteņi kalpo metālu ieguvei?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurš apgalvojums par rūdu ieguvi ir patiess?
Rūdas iegūst tikai pazemes šahtās
Rūdas iegūst gan pazemes šahtās, gan karjeros
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurš bija pirmais metāls, kuru cilvēks ieguva no rūdas?
Zelts
Dzelzs
Varš
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Civilizācijas vēsturē ir zināms bronzas laikmets, kurā darbarīki, ieroči un trauki tika izgatavoti no bronzas. Kura metāla sakausējums ir bronza?
Sudraba sakausējums
Vara sakausējums
Dzelzs sakausējums
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No kāda derīgā izrakteņa izgatavotas attēlā redzamās dzelzceļa sliedes?
no dzelzs rūdas
no alumīnija rūdas
no vara rūdas
6.
MULTIPLE SELECT QUESTION
45 sec • 3 pts
Atzīmē tērauda (dzelzs sakausējuma) raksturīgās īpašības!
ciets
mīksts un kaļams
labi vada elektrību
izturīgs
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No kāda izejmateriāla izgatavoti attēlā redzamie trauki?
no alumīnija rūdas
no dzels rūdas
no sudraba
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No kādas rūdas izgatavo attēlā redzamos elektrības vadus?
no dzelzs rūdas
no vara rūdas
no alumīnija rūdas
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