Why Do Bridges Arch? Level 3 Factbook

A series of twenty non-fiction science readers which engages children in the world around them.

Rachel Griffiths (Author)

9780521137171, Cambridge University Press

Paperback, published 5 August 2010

16 pages
22.3 x 19.2 x 0.2 cm, 0.07 kg

A series of twenty non-fiction science readers which engages children in the world around them. What holds up skyscrapers? Why are sports domes curved? Why are triangles used in many bridges? You can find the answers to these and other questions about structures in Why Do Bridges Arch?

Subject Areas: ELT graded readers [ELH]