Fenomene fizice si chimice
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FENOMENE FIZICE SI CHIMICE. GRUPA 3 Valean Iulia Pasca Maria Domnita Pop Delia Pasca Cristina I onela. Fenomenele care nu modifica compozitia substantelor se numesc FENOMENE FIZICE .

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Fenomene fizice si chimice

FENOMENE FIZICE SI CHIMICE

GRUPA 3

Valean Iulia

Pasca Maria Domnita

Pop Delia

Pasca Cristina Ionela


Fenomene fizice si chimice

  • Fenomenele care nu modifica compozitiasubstantelor se numesc FENOMENE FIZICE.

  • Fenomenele care modifica compozitiasubstantelor,transformandu-le Ă®n substante cu proprietati noi se numesc FENOMENE CHIMICE


Fenomene fizice si chimice

  • Exemple de fenomene fizice:

  • -dilatareasubstantelor prin incalzire

  • -spargerea unui geam

  • -ruperea unei hartii

  • -dizolvarea


Fenomene fizice si chimice

  • Exemple de fenomene chimice:

  • -rancezireagrasimilor

  • -coclirea vaselor de arama

  • -acrirea laptelui

  • -fermentatia

  • -fotosinteza


Transformarile apei

TRANSFORMARILE APEI


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