Page 37 - Ranger PT3 2022 science
P. 37
Answers
Answers
(b) Prefix Standard form
Model Paper mega 1 × 10 6
micro 1 × 10 –6
SECTION A
SECTION C
1. D 2. C 3. B 4. B 5. C All Rights Reserved.
6. C 7. D 8. B 9. A 10. C 6. (a) To increase voltage
11. C 12. D 13. C 14. B 15. C (b) (i) Student’s answer
16. A 17. A 18. C 19. C 20. C (ii) More than 1.5 voltage
(b) Usage
SECTION B = 64 221.9 – 63 915.5
= 306.4 kWh
1. (a) Chromosphere
Photosphere Cost need to be paid
Penerbitan Pelangi Sdn Bhd.
(b) (i) Prominence = 306.4 × RM0.22
= RM67.41
(ii) Solar flare
7. (a) (i) Hydroelectric power station
2. (a) (i), (iii) (ii) Water
(b) (i) FALSE (iii) There are many rivers
(ii) TRUE Filled with water throughout the year
3. (a) (b) (i) Step-up
Step-down
(ii) P needs to increase the voltage to
prevent the loss of energy in the form
of heat
Stone Water Q needs to decrease the voltage to
be supplied to the consumers
(b)
8. (a) (i) Smoking in public
P : Melting Harm other person
(ii) Ask the customer to quit smoking for
disturbing other customers
(b) (i) Lungs cancer
(ii) Tar in the cigaratte smoke is a
Q : Freezing carcinogen, a substance that can
cause cancer.
(iii) Stop smoking
4. (a) (i) absorbs Eat balanced diet
(ii) chemical Regular health check
(b) (i) Photosynthesis Exercise regularly
(ii) Melting 9. (a) (i) Extracting metal from its ore
(iii) Combustion (ii) X – Coke
(iv) Respiration Y – Limestone
5. (a) Kilogram Kelvin (iii) Molten iron
Hematite is iron oxide
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