This collection of STEM resources is based around ratio and proportion, area and volume. Resources are listed in order of stage.
problem
1 out of 3
Pinhole Camera
Age
11 to 14
Challenge level
1 out of 3
Make your own pinhole camera for safe observation of the sun, and find out how it works.
problem
1 out of 3
Toad in the Hole
Age
11 to 14
Challenge level
1 out of 3
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
1 out of 3
Favourite
Mixing Lemonade
Age
11 to 14
Challenge level
1 out of 3
Can you work out which drink has the stronger flavour?
problem
2 out of 3
Food Chains
Age
11 to 14
Challenge level
2 out of 3
When a habitat changes, what happens to the food chain?
problem
1 out of 3
Tray Bake
Age
11 to 14
Challenge level
1 out of 3
My recipe is for 12 cakes - how do I change it if I want to make a different number of cakes?
problem
3 out of 3
Investigating the Dilution Series
Age
14 to 16
Challenge level
3 out of 3
Which dilutions can you make using only 10ml pipettes?
problem
1 out of 3
The Genes of Gilgamesh
Age
14 to 16
Challenge level
1 out of 3
Can you work out the parentage of the ancient hero Gilgamesh?
problem
2 out of 3
Molecular Sequencer
Age
14 to 18
Challenge level
2 out of 3
Investigate the molecular masses in this sequence of molecules and deduce which molecule has been analysed in the mass spectrometer.
problem
2 out of 3
Peas in a Pod
Age
14 to 16
Challenge level
2 out of 3
What is the chance this pea plant will look like its parents?