worksheet and assessment card masters - National STEM Centre
worksheet and assessment card masters - National STEM Centre
worksheet and assessment card masters - National STEM Centre
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
1 Rewrite the following two lists putting the fibre<br />
opposite the appropriate description of its appearance<br />
under the microscope.<br />
a wool<br />
b silk<br />
c linen<br />
d cotton<br />
1 like glass rods, some<br />
stuck in pairs<br />
2 looks like bamboo<br />
3 has scales on surface<br />
4 like a pile of twisted<br />
ribbons<br />
2 When looked at under the microscope man-made<br />
fibres are recognized initially by their:<br />
A similarity<br />
B furry surface<br />
c different colours<br />
D silky appearance.<br />
Choose the correct answer.<br />
3 You have forgotten to make a note of the fibre<br />
content from the label on the roll of fabric in the shop.<br />
Suggest four simple tests you could make in the<br />
classroom to find out what your fabric is made of.<br />
4 Copy the table below <strong>and</strong> list the following fibres<br />
under the appropriate heading in the table: linen,<br />
polyester, wool, tricel, cotton, viscose, silk, acrylic,<br />
nylon, acetate, jute.<br />
Natural fibres<br />
5. The graph below shows the amount of cotton used<br />
in the World from 1950 to 1972. Copy the graph <strong>and</strong><br />
then using a coloured pencil plot a curve to represent<br />
the amount of synthetic fibre used during this period.<br />
Explain why the curves vary .<br />
~ 150001<br />
c:<br />
c:<br />
B u<br />
·S 12 500<br />
Q)<br />
E<br />
o o<br />
9 10000<br />
Regenerated fibres<br />
Synthetic fibres<br />
o 1950 1955 1960" 1965 1970 1975 1980<br />
6 Synthetic fibres are produced by many different<br />
manufacturers in different countries. Give two br<strong>and</strong><br />
names for each of the following generic fibres:<br />
polyamide, polyester, <strong>and</strong> acrylic.<br />
7 Flammability is an important factor to consider when<br />
choosing fabric for clothing <strong>and</strong> furnishings. With this<br />
in mind, name fabrics suitable for the following uses:<br />
child's nightdress, stage or cinema curtains, cook's<br />
overall, old person's dressing gown, <strong>and</strong> fireman's<br />
uniform.<br />
8 List the names of fibres which may be obtained from<br />
each of the sources shown in the pictures below.<br />
9 Write down six items of clothing to be packed for a<br />
cycling holiday. Suggest a suitable fabric for each <strong>and</strong><br />
say why you chose it.<br />
PROJECT<br />
Find out what you can about denim material <strong>and</strong><br />
research the history of jeans. Illustrate your results<br />
with suitable photographs, diagrams, <strong>and</strong> examples.
Change language