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Graad 8 Natuurwetenskappe (NW) Junie Vraestel en Memo - 2024 R50,00   Add to cart

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Graad 8 Natuurwetenskappe (NW) Junie Vraestel en Memo - 2024

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Graad 8 Natuurwetenskappe Junie Vraestel en Memo: Totaal: 90 Die vraestel dek die volgende werk: Periodieke Tabel & Atome Deeltjie Model van Materie Chemiese Reaksie Hierdie is 'n oefenvraestel met memorandum bedoel om die leerling se kennis te toets, en sal nie dieselfde vraestel wee...

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  • May 19, 2024
  • 10
  • 2023/2024
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SummariesSA
GRAAD 8 NATUURWETENSKAPPE JUNIE TOETS

AFDELING A
VRAAG 1
1.1 Verskeie opsies word verskaf as moontlike antwoorde tot die volgende vrae.
Kies die korrekte antwoord en skryf SLEGS die LETTER (A-D) langs die
VRAAGNOMMER (1.1.1-1.1.10) op jou antwoordblad, byvoorbeeld 1.1.11. D

1.1.1 Wat noem ons die veranderlike op die y-as van ‘n grafiek?
A Afhanklike B Konstante
C Onafhanklike D Gekontroleerde


1.1.2 Watter van die volgende stellings is NIE waar van Chloor NIE?

A Diatomiese molekule B Simbool is Cl

C 3 energie vlakke D 19 neutrone


1.1.3 Stowwe aan die linkerknat van ‘n chemiese vergelyking.
A Produkte B Chemikalieë
C Reaktante D Metale


1.1.4 Die volgende is ‘n voorbeeld van ‘n uitsetting:
A Brûe in die winter. B Beweging van gasse.
C Brûe in die somer. D Beweging van vloeistowwe.
1.1.5 Die sub-atomiese deeltjie wat positief gelaai is, is die…
A elektrone B neutrone
C protone D nukleone


1.1.6 Die volgende is ‘n voorbeeld van 'n nie-metaal:

1|Page www.summariessa.co.za Natuurwetenskappe
Graad 8 Junie Vraestel

, A Silikon B Lithium
C Magnesium D Koolstof


1.1.7 Wat gebeur met die spoed waarteen deeltjies beweeg wanneer die fase van
vloeistof na vastestof verander?
A spoed van deeltjies neem toe
B spoed van deeltjies neem af
C geen van die bogenoemde
D beide A en B


1.1.8 Die temperatuur waar materie van ‘n vloeistof na ‘n gas verander word
__________ genoem.
A kookpunt B smeltpunt
C vriespunt D verdamping


1.1.9 Sand en water kan geskei word deur:
A Evaporasie B Distillasie
C Filtrasie D Magnetisme


1.1.10 Watter van die volgende is NIE ‘n element NIE?
A Waterstof B Kalsium
C Suur D Kalium [10x1]


1.2 Verskaf die korrekte TERM vir die volgende beskrywings. Skryf SLEGS die
TERM langs die VRAAGNOMMER (1.2.1-1.2.7) op jou antwoordblad.

1.2.1 Protone en neutrone saam.

1.2.2 Krag wat atome bymekaar hou.

1.2.3 Interpretasie van observerings gedurende ‘n ondersoek.

1.2.4 Bewegingsenergie.

1.2.5 ‘n Manier om na iets te kyk om dit beter te verstaan.

1.2.6 Veranderlike wat gemeet word.

1.2.7 Element by groep 18, periode 3 op die periodieke tabel. [1x7]

2|Page www.summariessa.co.za Natuurwetenskappe
Graad 8 Junie Vraestel

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