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Maths of Planet Earth | Limitless Applications

Classroom Resources binocular-71520_640

Published on November 12th, 2013 | by Daphane Ng


It’s a small world


Consider the following objects and place them into order from smallest to largest. In addition, find how many orders of magnitude there are from the size of each one to the next.

* Diameter of Australian 5c coin
* Diameter of a proton
* Diameter of a white blood cell
* Diameter of a uranium nucleus
* Height of an adult human
* Diameter of a carbon atom

Question created by Chaitanya Rao, Daniel Mathews, Norman Do and Michael Evans


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