RIC-3531 Primary Science - Book D (Digital)
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Structures – Activity 2<br />
Weak and Strong Shapes<br />
Use your plastic straws to make each of these shapes.<br />
1.<br />
2.<br />
Test how strong and rigid each shape is and give it a ‘strength rating’.<br />
Select your two weakest shapes. How can you make these shapes strong by adding straws?<br />
Draw each of the shapes before and after your test<br />
Shape 1 Shape 2<br />
Before<br />
square<br />
triangle<br />
hexagon<br />
pentagon<br />
low medium high<br />
0 1 2 3 4 5<br />
low medium high<br />
0 1 2 3 4 5<br />
low medium high<br />
0 1 2 3 4 5<br />
low medium high<br />
0 1 2 3 4 5<br />
Before<br />
©R.I.C. Publications<br />
Low Resolution Images<br />
Display Copy<br />
After<br />
After<br />
PRIMARY SCIENCE ~ R.I.C. Publications ® ~ www.ricpublications.com.au 55<br />
ISBN 978-1-925660-54-8
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