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Naturales Flashcards

(15 cards)

1
Q

Quina es la fórmula de la densitat?

A

D=m/v

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2
Q

A quina temperatura bull l’aigua?

A

100ºC

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3
Q

Quines són totes propietats per identificar un material o substancia?

A

Punt de fusió, punt de bullicio, densitat, color, dissolució, massa, volum, pressió i força d’empenyiment

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4
Q

Quins són els 3 estats de la materia?

A

Solid, liquid i gaseos

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5
Q

Quina és la densitat de l’aigua?

A

1,0 g/cm3

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6
Q

Quina és la fórmula de la pressió?

A

P= F/A

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7
Q

Si poses un globus sota l’aigua, quia forma tindra el globus?

A

Será una esfera més petita

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8
Q

Quina és la capa menys densa de la Terra?

A

L’escorça

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9
Q

Que pasa si poses aigua i oli a un récipient? Perque?

A

Que l’aigua es queda a baix i l’oli a dalt perque l’oli es menys dens

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10
Q

On es el lloc de la Terra on hi han 6 mesos de nit i 6 mesos de dia?

A

Als pols

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11
Q

Per quina zona donen els rajos de sol perpendicularment?

A

Als tropics

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12
Q

Com es mesura un cub?

A

Multiplican X per Y i Z

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13
Q

Si a l’hemisferi nord es estiu, quina estacio será a l’hemisferi Sud?

A

Hivern

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14
Q

Com es diuen el dia més llargs de l’any?

A

Solsticis d’estiu

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15
Q

Si l’aigua es molt salada, es més dens el liquid o menys?

A

Més dens

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