CHAPTER 1 1.0 Introduction - DSpace@UM - University of Malaya

4.4.1 To emphasise and to explain scientific terminology
Bilingual educator R code-switches from the English language to the Malay language
to emphasise and explain scientific terminology in the proses of teaching the Form 1
and 2 science classes.
Examples:
R : ok/ look at the hot balloon/ after heating up with/ air/ what happens inside
here/ once heated up?/ the air will be/ less adalah kurang tumpat kalau you
padam api di sini apa akan terjadi?/ ( T1-U22- R)
R : radiation is a transfer of heat energy/ from a heat source to its surrounding
without the need for a medium for example/ conduction and convections
require medium/ how are we going to differentiate with/ convection
conduction and radiation?/ radiation does not require a medium to transfer
the heat but convection and conduction requires/ for example gas particles
or salt particles will be in liquid particles/ for radiation they do not require/
for example the heat from the sun/ the heat transfers from vacuum/ our earth
has atmosphere/ ok look at the pictures in your book the sun and the the
earth/ how can heat be transmitted here?/ from sun to earth through vacuum/
dalam bahasa dipanggil hampa gas/ ok heat which is transferred by
radiations is called radiated heat/ radiated heat can be absorbed or/ reflected
apa maksud reflect?/ pantul maksudnya lets say you throw a ball and the
ball?/ ( TI-U48-R)
R : because/ this part is/ transparent maksudnya/ lutsinar cahaya boleh tembus/
reflection of light you akan belajar dalam tingkatan dua nanti can anyone
travel at the speed of light/ students what is the speed of light?/
( TI-U54- R)
R : tanah runtuh/ hujan natural/ rainbow apa sahaja yang terjadi all of these is
categorized as natural phenomena/ apa maksud eclipse?/ gerhana matahari/
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