Filter by: Content type: ALL Problems Articles Games Stage: All Stage 1&2 Stage 2&3 Stage 3&4 Stage 4&5 Challenge level:
Can you work out what this procedure is doing?
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
How much energy has gone into warming the planet?
Have you ever wondered what it would be like to race against Usain Bolt?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Is it really greener to go on the bus, or to buy local?
Does weight confer an advantage to shot putters?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Where should runners start the 200m race so that they have all run the same distance by the finish?
Explore the properties of isometric drawings.
How do you write a computer program that creates the illusion of stretching elastic bands between pegs of a Geoboard? The answer contains some surprising mathematics.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Work out the numerical values for these physical quantities.
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Explore the properties of perspective drawing.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
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?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
Formulate and investigate a simple mathematical model for the design of a table mat.
Get some practice using big and small numbers in chemistry.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
How would you go about estimating populations of dolphins?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Analyse these beautiful biological images and attempt to rank them in size order.
When you change the units, do the numbers get bigger or smaller?
Which units would you choose best to fit these situations?
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?
Can you deduce which Olympic athletics events are represented by the graphs?
Which countries have the most naturally athletic populations?
Are these estimates of physical quantities accurate?
Explore the relationship between resistance and temperature
These Olympic quantities have been jumbled up! Can you put them back together again?
Simple models which help us to investigate how epidemics grow and die out.
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
This problem explores the biology behind Rudolph's glowing red nose.
Can you work out which drink has the stronger flavour?
Two trains set off at the same time from each end of a single straight railway line. A very fast bee starts off in front of the first train and flies continuously back and forth between the. . . .
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
When a habitat changes, what happens to the food chain?
Which dilutions can you make using only 10ml pipettes?
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
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?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.