Scale and Measurement

Scale and Measurement

These resources provide practice in working with different orders of magnitude, and in measurement and estimation.

Choose Your Units 

Age 14 to 16 Challenge Level:
Which units would you choose best to fit these situations?

Using the Haemocytometer 

Age 14 to 16 Challenge Level:
Practise your skills of proportional reasoning with this interactive haemocytometer.

Robot Camera 

Age 14 to 16 Challenge Level:
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?

A Question of Scale 

Age 14 to 16 Challenge Level:
Use your skill and knowledge to place various scientific lengths in order of size. Can you judge the length of objects with sizes ranging from 1 Angstrom to 1 million km with no wrong attempts?