Province of the
EASTERN CAPE
EDUCATION
SENIOR FASE
GRAAD 9
JUNIE 2010
NATUURLIKE WETENSKAPPE
MEMORANDUM
PUNTE: 100
TYD: 2 uur
Hierdie memorandum bestaan uit 4 bladsye.
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Natural Sciences Grade 9 June Common 2010 Memo
Grade 9 Natural Sciences memorandum from the June Common 2010, 4 pages. Read online or get the free PDF download, question paper linked when available.
Natural Sciences · Grade 9 · June Common · 2010. Memorandum, 4 pages. Read online or download the PDF.
- Subject
- Natural Sciences
- Grade
- Grade 9
- Document type
- Memorandum
- Year
- 2010
- Exam period
- June Common
- Curriculum
- CAPS
- Pages
- 4
- File size
- 297.8 KB
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This exam
June Common 2010
Document textSearch extracted text and jump to a page.
2 NATUURLIKE WETENSKAPPE (JUNIE 2010)
VRAAG 1
1.1 C
1.2 D
1.3 D
1.4 C
1.5 D
1.6 A
1.7 A
1.8 A
1.9 C
1.10 D (10 x 2) [20]
VRAAG 2
2.1 C
2.2 H
2.3 K
2.4 A
2.5 D
2.6 F
2.7 I
2.8 N
2.9 M
2.10 J (10 x 1) [10]
VRAAG 3
3.1 Vergelyking 1 (1)
3.2 van die son (1)
3.3 koolstofdioksied, water, koolhidrate (enige twee) (2)
3.4 1. Gedurende die dag gebruik plante lig om te fotosinteer en gebruik dus
koolstofdioksied om suurstof vry te stel. Plante respireer ook en gebruik
dan suurstof om koolstofdioksied vry te stel.
2. Gedurende die nag is daar geen lig en die plant kan dus nie fotosinteer
nie, maar respireer en stel net koolstofdioksied deur suurstof te gebruik.
Mense respireer ook en benodig ook suurstof. Saans wedywer plante met
ons vir suurstof in die slaapkamer/meer koolstofdioksied word produseer.
(2x 1) (2)
[6]
(JUNIE 2010) NATUURLIKE WETENSKAPPE 3
VRAAG 4
4.1 a) 10 nm – 200 nm (1)
b) 5 µm tot minder as 1 µm (1)
4.2 BAKTERIEË VIRUSSE
1. Eensellig 1. nie ʼn ware sel.
2. kan baie nuttig wees 2. slegs skadelik. (4)
4.3 –wanneer die liggaam swak is word dit maklik deur siekte-veroorsakende
organismes aangeval/kry ʼn geleentheid om die liggaam aan te val, sodat
die persoon siektes soos verkoue, griep, polio, pokkies, blase, Vigs ens.
kry. (2)
4.4 – tuberkulose, difterie, maagkoors (3 x 1) (3)
4.5 (a) Verworwe immuniteitsgebrek sindroom
(b) Uitgebreide dwelmweerstandige tuberkulose
(c) Multi-dwelmweerstandige tuberkulose (3 x 1) (3)
VRAAG 5
5.1 RT = R1 + R2
RT = 36 Ώ + 24 Ώ
RT = 60 Ώ (3)
5.2 I= V/R
= 60 V / 60 Ώ
=1A (3)
5.3 V=IR
=1 A x 36 Ώ
=36 V (3)
5.4 Hoe meer resistors in parallel gekoppel word, hoe kleiner word die totale
weerstand en hoe sterker word die elektriese stroom. (1)
VRAAG 6
6.1 (a) metale
(b) nie-metale (2)
6.2 kwik en broom (2)
6.3 waterstof, argon, fluoor, kripton (4)
6.4 edelgasse (1)
6.5 Helium (1)
4 NATUURLIKE WETENSKAPPE (JUNIE 2010)
6.6 (a) Helium
(b) Natriumchloried
(c) Kopersulfaat
(d) Lood (4 x 1) (4)
6.7 (a) CaCO3 – Kalsiumkarbonaat
(b) Na2SO4 – Natriumsulfaat
(c) NH4Cl – Ammoniumchloried (3)
[17]
VRAAG 7
A. Element
B. mengsel
C. verbinding
D. Element (4 x 1) [4]
VRAAG 8
1. H2O (Voorbeeld)
2. CO
3. O2
4. NH3
5. NO
6. NO2
7. CO2
8. H2
9. NH4 (8 x 1) [8]
VRAAG 9
9.1 CuCO3 CuO + CO2 (1)
9.2 2HgO 2Hg + O2 (2)
9.3 (NH4)2CO3 2NH + CO2 + H2O (2)
9.4 Zn + 2HCl ZnCl2 + H2 (2)
9.5 CaCO3 + H2SO4 CaSO4+CO2 + H2O (2)
9.6 NaOH+ HCl NaCl + H2O (1)
[10]
TOTALE PUNT: 100
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