Page 87 - Hybrid PBD Sains TG3_Edisi Guru

Sains Tingkatan 3 Bab 3
(c) Berdasarkan rajah di atas, jawab soalan-soalan berikut.
Based on the diagram above, answer the following questions.
(i) Kenal pasti jenis darah yang ditandakan dengan simbol yang berikut. TP2
Identify the types of blood that are marked with the following symbol.
: Darah beroksigen / Oxygenated blood

: Darah terdeoksigen / Deoxygenated blood
(ii) Namakan salur darah P, Q, R dan S. TP2
Name the blood vessel P, Q, R and S.
P – Arteri pulmonari / Pulmonary artery
Q – Vena pulmonari / Pulmonary vein

R – Vena kava / Vena cava
S – Aorta / Aorta

(d) Namakan jenis sistem peredaran darah manusia. TP2
Name the type of circulatory system in humans.
Sistem peredaran ganda dua

Double circulatory system

7. Jalankan eksperimen di bawah. Kemudian, jawab soalan yang diberikan. SP 3.2.3 TP5
Carry out the experiment below. Then, answer the questions given.

Eksperimen
Eksperimen
Tujuan: Mengkaji kesan aktiviti fizikal terhadap kadar denyutan nadi
Aim: To study the effect of physical activity on the rate of pulse count
Pernyataan masalah: Adakah kiraan nadi meningkat apabila melakukan aktiviti fizikal?
Problem statement: Does pulse count increases when doing physical activity?
Hipotesis: Kiraan nadi semakin meningkat apabila melakukan aktiviti fizikal.
Hypothesis: Pulse count increases when doing physical activity.
Pemboleh ubah / Variable:
(a) Pemboleh ubah dimalarkan: Masa melakukan aktiviti
Fixed variable: Time of activity
(b) Pemboleh ubah dimanipulasikan: Jenis aktiviti yang dilakukan murid
Manipulated variable: Type of activity carried out by students
(c) Pemboleh ubah bergerak balas: Kadar denyutan nadi
Responding variable: Pulse rate
Bahan dan radas: Jam randik
Apparatus and material: Stopwatch
Prosedur / Procedure:
(a) Bekerja secara berpasangan.
Work in pairs.
(b) Ambil kiraan nadi seorang murid sebelum dan selepas berlari selama lima minit.
Take the pulse count of a student before and after running for five minutes.
(c) Tukarkan murid yang melakukan larian dan mengambil bacaan.
Change the student who is running and taking the reading.
Keputusan / Results:
Kiraan nadi (minit)
Murid Pulse count (minute)
Student Sebelum Kadar (kiraan / minit) Selepas Kadar (kiraan / minit)
Before Rate (count / minute) After Rate (count / minute)
Murid 1
Student 1 Jawapan murid
Murid 2 Student’s answer
Student 2

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