NW Graad 5 Kwartaal 2 Flashcards

1
Q

Allooi

A

Mengsel van metale

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2
Q

Bros

A

Breekbare voorwerp. Sal in stukkies breek wanneer dit val of met voorwerp b.v. ‘n hammer gelsaan word

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3
Q

Dekoratief

A

Mooi en pragtig

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4
Q

Duursaam

A

Om lank te hou

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5
Q

Eienskappe

A

Kenmerke wat iets spesiaal maak

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6
Q

Elektriese geleier

A

‘n Stof wat elektrisiteit gelei

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7
Q

Elektromagneet

A

Tydelike magneet wat onstaan deurdat ‘n elektriese stroom deur ‘n draadlus vloei.

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8
Q

Erts

A

Rots wat metaal bevat

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9
Q

Ferromagnetiese stof

A

‘n Stof wat deur magnete aangetrek word

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10
Q

Gloeidraadjie

A

Dun draadjie in gloeilamp wat gloei as dit verhit word

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11
Q

Grondstowwe

A

Grondstowee is oorspornklike natuurlike stowwe

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12
Q

Kamertemperatuur

A

Gemaklike temperatuur van 20-25’C

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13
Q

Korrosie

A

Dit is ‘n stadige chemiese reaksie tussen sekere metale en ‘n ander stof

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14
Q

Natuurlike stowwe

A

Enige materiaal wat van die grond, diere of plante afkomstig is

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15
Q

Platering

A

Goedkoper metaal word met dun lagie van ander metaal bedek

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16
Q

Pletbaar

A

Metaal wat in vorm gebuig of geslaan kan word

17
Q

Rekbaar

A

Wanneer ‘n stof uitgerek kan word in dun drade sonder om te breek

18
Q

Roes

A

Dit is ‘n stadige chemiese reaksie tussen yster en suurstof

19
Q

Smeltpunt

A

Die temepratuur waar die stof sal smelt en van vorm verander

20
Q

Termiese geleiers

A

Stowwe wat hitte gelei

21
Q

Veelsydig

A

Kan vir verskillende produkte gebruik word

22
Q

Verwerkte materiale

A

Dit is stowwe wat verander is

23
Q

Vuurbestand

A

Brand nie maklik nie

24
Q

Waterdig

A

Laat nie water deur nie