
Fenomene termice -1
Authored by Peter Pop
Physics
7th - 8th Grade
Used 22+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Aerul, apa, solidele sunt compuse din particule foarte mici, atomi si ...... .
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dacă deschidem o sticluţă de parfum, remarcăm răspândirea parfumului în aer, ceea ce dovedeşte că moleculele de aer şi parfum se află în ..... .
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Robert Brown a observat la microscop mişcarea continuă şi ..... a particulelor mici de polen pe suprafaţa apei, ceea ce dovedeşte că moleculele de apă se află în continuă mişcare (antrenând în mişcare si polenul).
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
..... e mişcarea permanentă şi dezordonată a particulelor oricărui corp, şi e mai intensă la temperaturi mari.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dacă picurăm cerneală într-un pahar cu apă, observăm răspândirea cernelii în apă – aceasta se datorează ..... a moleculelor de apă si cerneală.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Difuzia este ..... spontană a particulelor unui corp printre particulele altui corp.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Difuzia, fiind determinată de agitaţia termică, este mai intensă la temperaturi ..... .
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