Test: How Does Light Travel?

15 08 2012

Diagram shows an investigation carried out by a group of pupils. Different heights of the shadow are recorded when an object is placed at different distances from the light source.
Rajah menunjukkan satu penyiasatan yang dijalankan oleh sekumpulan murid. Tinggi bayang-bayang yang berbeza dizatatkan apabila suatu objek diletakkan pada jarak yang berbeza dari sumber cahaya.
Distance of the object from the light source (cm)
Jarak objek dari sumber cahaya (cm)
10
15
20
25
30
Height of the shadow (cm)
Tinggi bayang-bayang (cm)
20
17
14
11
8
Table
Jadual
(a) What is the purpose (aim) of this investigation?
Apakah tujuan penyiasatan ini?
____________________________________________________________________________________________________________
(b) What is the trend of change in the height of the shadow in this investigation?
Apakah corak perubahan tinggi bayang-bayang dalam penyiasatan ini?
____________________________________________________________________________________________________________
(c) (i) State what is kept the same (constant variable).
Nyatakan apa yang ditetapkan (pemboleh ubah dimalarkan).
____________________________________________________________________________________________________________
(c) (ii) State what is measured (responding variable).
Nyatakan apa yang diukur (pemboleh ubah bergerak balas).
____________________________________________________________________________________________________________
(d) Predict the height of the shadow when the onject is placed 35 cm from the light source.
Ramalkan tinggi bayang-bayang apabila objek diletakkan 35 cm dari sumber cahaya.
____________________________________________________________________________________________________________
(e) What conclusion can you draw from this investigation?
Apakah kesimpulan yang boleh dibuat daripada penyiasatan ini?
____________________________________________________________________________________________________________

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4 responses

9 09 2012
Sarahh Othmann : )

Ehem sir , saye dah bukak ni . WOOT WOOT : )

9 09 2012
Ahmad Ikmal

Good

13 09 2012
afiyahamira

sir,soalan2 ni wajib buat ke???

13 09 2012
Ahmad Ikmal

buat sebagai latihan di rumah

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