Filter by: Content type: ALL Problems Articles Games Stage: All Stage 1&2 Stage 2&3 Stage 3&4 Stage 4&5 Challenge level:
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
How much energy has gone into warming the planet?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Work out the numerical values for these physical quantities.
Get some practice using big and small numbers in chemistry.
Which units would you choose best to fit these situations?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Explore the properties of perspective drawing.
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?
When you change the units, do the numbers get bigger or smaller?
Are these estimates of physical quantities accurate?
Examine these estimates. Do they sound about right?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Which dilutions can you make using only 10ml pipettes?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
How would you go about estimating populations of dolphins?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Can you work out which drink has the stronger flavour?
Analyse these beautiful biological images and attempt to rank them in size order.
This problem explores the biology behind Rudolph's glowing red nose.
Explore the relationship between resistance and temperature
Where should runners start the 200m race so that they have all run the same distance by the finish?
When a habitat changes, what happens to the food chain?
Can you work out what this procedure is doing?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
Formulate and investigate a simple mathematical model for the design of a table mat.
How efficiently can you pack together disks?
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?
Explore the properties of isometric drawings.
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
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?
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. . . .
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.
Learn about the link between logical arguments and electronic circuits. Investigate the logical connectives by making and testing your own circuits and fill in the blanks in truth tables to record. . . .
Simple models which help us to investigate how epidemics grow and die out.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
Can you work out which processes are represented by the graphs?
Various solids are lowered into a beaker of water. How does the water level rise in each case?
Can you draw the height-time chart as this complicated vessel fills with water?
Invent a scoring system for a 'guess the weight' competition.
These Olympic quantities have been jumbled up! Can you put them back together again?