
Proprietățile materialelor metalice
Authored by Laura Pirse
Instructional Technology
7th Grade
Used 12+ times

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10 questions
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1.
DRAG AND DROP QUESTION
2 mins • 1 pt
Completați spațiile libere cu cuvintele lipsă. Culoarea metalelor poate fi: alb strălucitor (a) , cenușiu-închis plumbul, galben (b) , roșcat (c)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Alegeți varianta corectă de răspuns. Proprietate fizică sau chimică care are capacitatea de a reflecta lumina
luciul metalic
elasticitatea
rezistența la șocuri
ductibilitatea
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Alegeți varianta corectă de răspuns. Care este cel mai ușor metal?
Litiul
Plumbul
Aurul
Fier
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Alegeți varianta corectă de răspuns. Cel mai greu metal este?
Osmiul
Aluminiul
Aurul
Mercurul
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Scrieți răspunsul corect. Metal prețios de culoare galbenă
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Alegeți varianta corectă de răspuns. Este proprietatea de a permite transferul căldurii
Conductivitatea termică
Dilatarea
Magnetismul
Duritatea
7.
MATCH QUESTION
2 mins • 1 pt
Asociați următoarele proprietăți mecanice ale metalelor cu descrierea acestora.
Elasticitatea
Proprietatea de a-și schimba forma sub acțiunea unei forțe, revenind la forma inițială
Rezistența la șocuri
Proprietatea metalului de a se opune pătrunderii unui corp străin
Rezistența la rupere
Proprietatea de a rezista (de a se opune ruperii sau deformării)
Plasticitate
Proprietatea de a-și schimba definitiv forma sub acțiunea unei forțe
Duritatea
Proprietatea metalelor de a rezista la șocuri
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