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structural strength posts

Tension tower Activity

by David, 28 November 2019 | 0 comments

Pipeleaner and string construction.

String is floppy, so it’s usually a terrible thing to build a tower from. But this tower uses tension and string to hold itself strong!

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String tower Activity

by David, 5 April 2018 | 0 comments

A piece of string, knotted at regular intervals, being held srtaight by three plastic strips which attach to the knots in the string.

How do you make string stand on its end? To find out, read on…

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Double helix cover

Double Helix

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