Pid3-kontrolni-zadatak-iii-6-kretanje.doc

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Kontrolni zadatak - Priroda i društvo III – Kretanje 1.Šta je kretanje? _______________________________________________________________________ ______________________________________________________________________________________ 2.Za neko telo kažemo da miruje ako se njegov položaj ______________________________ u odnosu na __________________________________________. 3.Šta je putanja tela? ____________________________________________________________________ ______________________________________________________________________________________ 4.Na koje načine se mogu kretati tela? Navedi po jedan primer. a) _________________________________ npr. _______________________________________ b) _________________________________ npr. _______________________________________ c) _________________________________ npr. _______________________________________ 5.Dopuni rečenice: Zemlja privlači sva tela koja se _____________________________________________________________ Tela se ____________________ klizaju po hrapavim površinama, a ______________________ po glatkim. Deo kružne putanje naziva se __________________. Kretanje klatna se stalno _____________________ za isto vreme (_______________________ se ponavlja). Opruga je sačinjena od ________________________________________ koji teži da zadrži ________ ____________________________________________________. Zvuk nastaje _________________________________ nekog tela. 6.Primeri talasnog kretanja su: a) ___________________________________________________________ b) ___________________________________________________________ c) ___________________________________________________________ 7.Spoji pojave s leve strane sa zvucima na desnoj strani: grmljavina kiša vetar

šuštanje fijukanje brujanje

______________________________________________ Ime i prezime Broj bodova: _____ / 27

____________________ datum

Ocena:

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