This collection of STEM resources is based around the topic of scaling. Resources are listed in order of stage.
problem
Mixing lemonade
Age
11 to 14
Challenge level
Can you work out which drink has the stronger flavour?
problem
Tray bake
Age
11 to 14
Challenge level
My recipe is for 12 cakes - how do I change it if I want to make a different number of cakes?
problem
Toad in the hole
Age
11 to 14
Challenge level
Is it cheaper to cook a meal from scratch or to buy a ready meal? What difference does the number of people you're cooking for make?
problem
Carbon footprints
Age
14 to 16
Challenge level
Is it really greener to go on the bus, or to buy local?
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.
problem
Fill me up too
Age
14 to 16
Challenge level
In Fill Me Up we invited you to sketch graphs as vessels are filled with water. Can you work out the equations of the graphs?
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?