This collection of STEM resources is based around the topic of units. Resources are listed in order of stage.
problem
Temperature
Age
11 to 14
Challenge level
Is there a temperature at which Celsius and Fahrenheit readings are the same?
problem
More or less?
Age
14 to 16
Challenge level
Are these estimates of physical quantities accurate?
problem
Bigger or smaller?
Age
14 to 16
Challenge level
When you change the units, do the numbers get bigger or smaller?
problem
Choose your units
Age
14 to 16
Challenge level
Which units would you choose best to fit these situations?
problem
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?
problem
Big and small numbers in physics
Age
14 to 16
Challenge level
Work out the numerical values for these physical quantities.
problem
Constantly changing
Age
14 to 16
Challenge level
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.