Page 55 - APS(2022)_TG4 _Edisi Guru

Sains Tingkatan 4 Bab 3
Tarikh:
Pernyataan Adakah kadar denyutan nadi manusia berbeza mengikut jenis aktiviti fizikal?
Masalah Does the human pulse rate differ according to the type of physical activity?
Problem Statement

Hipotesis Semakin lasak aktiviti senaman yang dilakukan, semakin tinggi kadar denyutan nadi.
Hypothesis
The higher the intensity of the exercise, the higher the pulse rate. K1P2

Pemboleh Ubah (a) dimanipulasikan / manipulated : Jenis aktiviti fizikal / Physical activity
Variables
(b) bergerak balas / responding : Kadar denyutan nadi / Pulse rate
K1
PI (c) dimalarkan / constant : Tempoh masa, umur dan jantina / Duration, age and gender
1 K1P3
BAB
2
BAB
3
3
4
3
5
S
Radas Jam randik
Apparatus
Stopwatch K1P4
Prosedur 1. Jalankan aktiviti ini dalam kumpulan kecil.
Procedure Conduct this activity in small groups.
K2 2. Minta salah seorang ahli kumpulan menjalankan aktiviti fizikal berikut:
PI Ask one of the group members to perform the following physical activities:
1 (a) Berehat selama 2 minit / Rest for 2 minutes
2
3 (b) Berjalan selama 2 minit / Walk for 2 minutes
4 (c) Berlari selama 2 minit / Run for 2 minutes
S
3. Ambil bacaan kadar denyutan nadi sebaik sahaja habis setiap aktiviti. Rekodkan bacaannya
di dalam jadual seperti yang ditunjukkan di bawah.
Take the reading of the pulse rate right after each activity. Tabulate the reading in the table below.
4. Pastikan setiap ahli mendapat rehat 5 minit sebelum meneruskan aktiviti yang seterusnya.
Make sure that each member has a 5 minute rest before continuing with another activity. K2P4
Kaedah 1. Aktiviti ini dijalankan dalam kumpulan kecil.
Method
The activity was conducted in small groups.

2. Seorang ahli kumpulan diminta menjalankan aktiviti fizikal berikut:
One of the group members was asked to perform the following physical activities:

(a) Berehat selama 2 minit / Rest for 2 minutes
(b) Berjalan selama 2 minit / Walk for 2 minutes

(c) Berlari selama 2 minit / Run for 2 minutes
3. Bacaan kadar denyutan nadi diambil dan direkod sebaik sahaja habis setiap aktiviti.

The reading of the pulse rate was taken and recorded right after each activity.

4. Setiap ahli dipastikan mendapat rehat 5 minit sebelum meneruskan aktiviti yang seterusnya.
Each member was made sure to have a 5 minute rest before continuing with another activity.

K1P5

30
© Penerbitan Pelangi Sdn. Bhd.

03 APS Tg4 (TC).indd 30 26/07/2021 7:06 AM