Stage: 4 Short Challenge Level: 
This activity will test your knowledge of powers of 10 in scientific contexts. See the hints if you need some help understanding the notation.
Will you be able to judge the length of the physical objects, with sizes ranging from 1 Angstrom to 1 million km, with no wrong attempts?
You will possibly need to view this resource in full screen mode.
This text is usually replaced by the Flash movie.
Send feedback on this problem
Mathematical reasoning & proof. Making and proving conjectures. engineering. chemistry. Games. Learning through exploration. biology. physics. Interactivities. Length/distance.
Published November 2009.
Copyright © 2007. University of Cambridge. All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project, which also includes the Plus and Motivate sites.
email: nrich@damtp.cam.ac.uk
