worksheet and assessment card masters - National STEM Centre
worksheet and assessment card masters - National STEM Centre
worksheet and assessment card masters - National STEM Centre
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1 We all have constant contact with dust.<br />
a Name four occupations which are likely to cause<br />
dust-like or dusty-type soiling.<br />
b Advise what types of fabric should be chosen to<br />
prevent dust adhering to them.<br />
e Advise on suitable methods of removing dust from<br />
the clothing.<br />
2 Greasy soiling attracts <strong>and</strong> holds dust, <strong>and</strong> is much<br />
more difficult to remove than dusty soiling.<br />
a Suggest possible sources of greasy soiling.<br />
b Which garments or parts of garments are prone to<br />
greasy soiling?<br />
e Describe two different methods of dealing with<br />
greasy soiling, <strong>and</strong> specify appropriate fibres, fabrics,<br />
<strong>and</strong> instances for each method. (Give your answer in<br />
the form of a table.)<br />
3 Arrange the following processes under the<br />
appropriate headings in the table below: brush, shake,<br />
rinse through, scrub, pre-wash,dry clean, h<strong>and</strong> wash,<br />
machine wash, bio pre-wash.<br />
Heavy soiling Light soiling<br />
Questions 4 <strong>and</strong> 5 are lists of fabric characteristics<br />
which affect how much dirt a fabric shows. Identify<br />
the odd one out in each case.<br />
4<br />
a glossy, glazed, nap, calendered<br />
b stain resistant, absorbent, water-repellent, shiny<br />
e slippery, silky, rough, soft.<br />
5<br />
a smooth, raised, texturized, brushed<br />
b light, neutral, bright, dark<br />
e checked, sprigged, printed, plain.<br />
6 Rewrite the following lists putting the dust controller<br />
opposite how it works. -<br />
a vacuum cleaner 1 traps rather than disturbs dust<br />
b humidifier 2 sucks up <strong>and</strong> removes dust<br />
c ionizer 3 circulates air <strong>and</strong> filters dust<br />
d damp duster 4 prevents attraction of dust to<br />
e air conditioning fabrics<br />
f curtain nets 5 negative ions attract floating<br />
g anti-static fabric pollen <strong>and</strong> dust<br />
finish 6 prevents dry atmosphere <strong>and</strong><br />
damps down dust<br />
7 traps airborne dust from<br />
windows<br />
7 How might a garment be cleaned in ancient Rome,<br />
in the Middle Ages, <strong>and</strong> in 1900?<br />
PROJECT<br />
Some people <strong>and</strong> things get dirtier than others. Some<br />
fabrics give the impression of being dirtier than others<br />
when this is not the case. Study these problems <strong>and</strong><br />
suggest actions which could be taken to minimize these<br />
effects.<br />
© 1984 Nuffield-Chelsea Curriculum Trust
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