Page 31 - Mahir PBD KSSR 2022 Thn 6 - Science

Science Year 6 Unit 4 Interaction Among Living Things
Date:
4.2 Interaction among Plants Textbook 59 – 64

Performance Level (PL) Achieved Not Yet Achieved
PL 3: Make generalisation on the factors of competition among plants.

7. An investigation was conducted to determine the factors of competition among plants. The
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report for the investigation was prepared as follows. LS 4.2.1 PL 3

(A) Materials and apparatus: 20 chilli seeds, 2 small pots, farm soil and water.
(B) Steps:
(i) Put the farm soil into the small pots.
(ii) Sow 15 chilli seeds into vase A.
(iii) Sow 5 chilli seeds into vase B.
(iv) Water the two vases every day.
(v) Make and record observations and record them.
(C) Observation:

Height of the young plant (cm) Number of leaves (wisp)
Number of days
Pot A Pot B Pot A Pot B
Day 1 0 0 0 0
Day 4 0 0 0 1

Day 8 2 2 1 2
Day 12 5 8 4 6
Day 16 8 14 6 10

(a) What is the aim of the investigation above?
Menyiasat hubungan antara faktor persaingan dengan keadaan anak benih cili.

(b) What can you observe from the information obtained?

Anak pokok dalam pasu B lebih tinggi dan mempunyai lebih banyak daun berbanding
pasu A.

(c) Give your inference for your answer in 7(b).

Anak pokok cili dalam pasu B tidak perlu bersaing untuk mendapatkan keperluan
asas.

(d) What are the factors of competition that exist in pot A?
Ruang, air, cahaya matahari dan nutrien.

Teacher’s Signature: Date:

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04 Mahir Science Year 6.indd 41 15/03/2022 10:55 AM