Energia Flashcards

1
Q

Energia

A

Energia da sistema material batek bere barruan edo beste sistema batean aldaketa eragiteko duen ahalmena.

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2
Q

Sistema materialak

A

Irekiak
Itxiak
Isolatuak

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3
Q

Irekiak

A

Materia eta energia trukatu ahal dira ingurunearekin

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4
Q

Itxiak

A

Soilik energia truka dezakete ingurunearekin

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5
Q

Isolatuak

A

Ez dute ez materiarik ez energiarik trukatzen ingurunearekin

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6
Q

Energia mota

A

Sistema materialek pilatzen duten energia: Mekanikoa, barnekoa eta elektromagnetikoa

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7
Q

Transferitu egiten da…

A

Lanaren bidez eta beroaren bidez

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8
Q

Beroaren bidez

A

Elkarri eragiten dioten bi sistema materialek tenperatura desberdina dutenean gertatzen da.

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9
Q

Lanaren bidez

A

Sistema material batek beste bati indar baten bidez eragiten dionean gertatzen da,

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10
Q

Zer da energia?

A

Sistema fisiko batek lana sortzeko edo beroa transferitzeko duen ahalmena da.

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11
Q

Energia 2

A

Energia guztiak mota batetik bestera alda daitezke.

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12
Q

Energia 3

A

Energia ez da sortzen ez suntsitzen; eraldatu egiten da.

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13
Q

Energia degradatzen da

A

Energia degradatu egiten da, energia mota guztiek ez baitute lan bera eraginkortasun berberaz sortzen.

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14
Q

Energia degradatzen da (2)

A

Ezin da erabili sistema batetik bestera transferitzen den energia guztia; energiaren zati bat bero-energia gisa “galtzen” da.

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