Soalan sains

SECTION B / BAHAGIAN B

Answer all the questions given. Write your answer in the space provided.

Jawab semua soalan yang diberikan. Tulis jawapan anda pada ruang yang disediakan.

1	Amirul Asyraf carries out an investigation as below. Amirul Asyraf menjalankan satu penyiasatan seperti di bawah.
	(a)	What is your observation for the plant above after three weeks? Apakah pemerhatian kamu terhadap pokok di atas selepas tiga minggu? _______________________________________________________________ [ 1 mark ]
	(b)	Give the inference for your observation above. Beri inferens bagi pemerhatian kamu di atas. __________________________________________________________________ __________________________________________________________________  [ 1 mark ]
	(c)	State Nyatakan (i) what is changed (manipulated variable) apa yang diubah (pemboleh ubah dimanipulasikan) ________________________________________________________ (ii) what is observed (responding variable) apa yang diperhatikan (pemboleh ubah bergerak balas) ________________________________________________________ [ 2 marks ]

2		The figure shows an investigation carried out by a group of pupils to investigate the relationship between the direction of shoot and the location of the Sun. Rajah menunjukkan suatu penyiasatan yang dijalankan oleh sekumpulan murid untuk menyiasat hubungan antara arah pucuk dan kedudukan Matahari.
		(a)		What is the purpose (aim) of this investigation? Apakah tujuan penyiasatan ini? ______________________________________________________________ ______________________________________________________________ [ 1 mark ]
		(b)		Predict the direction of the shoot of seedlings A and B after a week. Ramalkan arah pucuk A dan B selepas seminggu. (i) seedling A / pokok benih A  ______________________________ (ii) seedling B / pokok benih B ______________________________ [ 2 marks ]
		(c)		Draw your observation on its shoots after a week in the diagram below. Lukis pemerhatian kamu tentang pucuknya selepas seminggu pada rajah di bawah. [ 1 mark ]
3	Avenash carries out an investigation by recording his rate of breathing during different activities. The table below shows the results. Avenash menjalankan aktiviti penyiasatan dengan merekod kadar pernafasannya semasa aktiviti yang berbeza yang dilakukannya. Jadual menunjukkan keputusan.
	Type of activity Jenis aktiviti Number of chest movement in one minute Bilangan pergerakan dada dalam satu minit Resting Berehat 27 Walking Berjalan 31 Jogging Berjoging 37
	(a)		What is the purpose (aim) of this investigation? Apakah tujuan penyiasatan ini? _______________________________________________________________ _______________________________________________________________  [ 1 mark ]
	(b)		State Nyatakan (i) what is changed (manipulated variable) apa yang diubah (pemboleh ubah dimanipulasikan) ________________________________________________________ (ii) what is observed (responding variable) apa yang diperhatikan (pemboleh ubah bergerak balas) ________________________________________________________  [ 2 marks ]
	(c)		What is the trend of the number of chest movement from the table above? Apakah corak bilangan pergerakan dada berdasarkan jadual di atas? __________________________________________________________________ [ 1 mark ]

4	A pupil is asked to run at the specific period. The rate of breathing is measured and recorded. The result is shown in graphical method as below. Seorang murid dikehendaki berlari pada tempoh tertentu, Kadar pernafasan diukur dan direkodkan. Keputusan ditunjukkan dalam bentuk graf.
	(a)		What is the purpose of the activity? Apakah tujuan aktiviti ini? _______________________________________________________________ _______________________________________________________________ [ 1 mark ]
	(b)		State Nyatakan (i) what is changed (manipulated variable) apa yang diubah (pemboleh ubah dimanipulasikan) ________________________________________________________ (ii) what is observed (responding variable) apa yang diperhatikan (pemboleh ubah bergerak balas) ________________________________________________________ [ 2 marks ]
	(c)		What is the conclusion of the activity? Apakah kesimpulan aktiviti ini? ________________________________________________________________________________ ________________________________________________________________________________ _______________________________________________________________________________ [ 1 mark ]
5		A group of pupils carried out an investigation to find out the length of their classroom by using arm span. They recorded their measurement in the table below. Sekumpulan murid menjalankan penyiasatan untuk mencari panjang kelas mereka menggunakan depa. Mereka merekodkan ukuran tersebut dalam jadual berikut. Pupils Murid The length of the classroom (arm span) Panjang kelas (depa) Tasbeeha 27 Zul A’ala 30 Iqbal 25 Hafizi 31
		(a)		State one information gathered in this investigation. Nyatakan satu maklumat yang dikumpulkan dalam penyiasatan ini. [ 1 mark ]
		(b)		Give the inference for the different results above. Beri inferens bagi perbezaan keputusan di atas. _________________________________________________________________ _________________________________________________________________  [ 1 mark ]
		(c)		State Nyatakan (i) what is changed (manipulated variable) apa yang diubah (pemboleh ubah dimanipulasikan) ________________________________________________________ (ii) what is observed (responding variable) apa yang diperhatikan (pemboleh ubah bergerak balas) ________________________________________________________ [ 2 marks ]