Page 16 - Praktis Topikal A+ Sains Tg 1_Pan Asia Publications

Bahagian C/ Section C
[60 markah/ marks]

6. Alisha mengisi air yang sama banyak ke dalam tiga bikar kaca yang sama besar dan meletakkannya
di bawah cahaya matahari selama dua jam.
Alisha filled in the same amount of water into three equally large glass beaker and placed them in the sun for
two hours.

Kadbod
Cardboard
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Bikar P Bikar Q Bikar R
Bikar Q
Bikar P
Bikar R
Beaker R
Beaker P
Beaker Q
Beaker P Beaker Q Beaker R
(a) Selepas dua jam, Alisha mengukur kandungan air di dalam ketiga-tiga bikar. Pada pendapat
anda, apakah yang terjadi kepada kandungan air di dalam bikar P, Q dan R?
After two hours, Alisha measured the water content inside the beakers. In your opinion, what happened
to the water content in beakers P, Q and R?
Air paling banyak terdapat dalam Bikar R, diikuti oleh bikar Q dan paling sedikit di dalam
Bikar P./ Beaker R has the most water, followed by Beaker Q. Beaker P has the least amount of water left.

[2 markah / 2 marks]

(b) Apakah tujuan kadbod diletakkan pada pada bikar Q dan R?
What is the purpose of the cardboard on beakers Q and R?
Untuk menghalang air daripada tersejat/ To prevent evaporation

[2 markah / 2 marks]

(c) Namakan dua proses yang berlaku dalam bikar P.
Name two processes that happened in beaker P.
Penyejatan/ Evaporation
Transpirasi/ Transpiration
[2 markah / 2 marks]

(d) Berikan dua kepentingan proses yang berlaku dalam bikar Q.
Give two benefits of the process that happened in beaker Q.
1. Proses ini membantu tumbuh-tumbuhan menyedut air dan mineral melalui akar.
It helps to draw water and minerals up through the plants from its roots.

2. Proses ini membantu menyejukkan tumbuh-tumbuhan semasa hari panas.

It helps plants to cool down during hot days.
[2 markah / 2 marks]

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