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| TGLA4:
Language Alerts |
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| Language
Alert |
Text |
Related
page
of main content |
Related
page of Teachers’ Guide |
| LA7 |
People often say ‘water
is made of oxygen and hydrogen’, meaning it is
made from oxygen atoms and hydrogen
atoms. The substances oxygen
and hydrogen are not there: the only substance is water. |
L4.3 |
TGL5 |
| LA8 |
Books often give the particles
of a perfume spreading through a room as an example
of diffusion. Individual movement of particles is involved,
but it would take a very long time for them to spread
throughout a room. Air currents will be speeding up
the mixing. |
Q1.4 |
TGQ1 |
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| a
Science Enhancement Programme CD-ROM 2005 |
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user
guide |
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