RIC-3531 Primary Science - Book D (Digital)
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Structures – Activity 3<br />
Bridge Building<br />
1.<br />
2.<br />
3.<br />
• Use your straws and pins to build a bridge between two desks that are 40 cm apart.<br />
• Test how much weight your bridge can hold.<br />
a<br />
b<br />
c<br />
Can you fix the bridge to the desk?<br />
yes no<br />
Can any part of the bridge touch the ground?<br />
Does your bridge stand up by itself?<br />
yes no<br />
How will your group test the strength of the bridge?<br />
Draw a diagram of your completed bridge.<br />
yes no<br />
4. What are the strengths of your bridge? (What made it work?)<br />
a<br />
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b<br />
What are the weaknesses of your bridge?<br />
PRIMARY SCIENCE ~ R.I.C. Publications ® ~ www.ricpublications.com.au 57<br />
ISBN 978-1-925660-54-8
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