Filter by: Content type: ALL Problems Articles Games Stage: All Stage 1&2 Stage 2&3 Stage 3&4 Stage 4&5 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?
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
Which dilutions can you make using only 10ml pipettes?
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. . . .
Use the computer to model an epidemic. Try out public health policies to control the spread of the epidemic, to minimise the number of sick days and deaths.
Can you work out which drink has the stronger flavour?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Get some practice using big and small numbers in chemistry.
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
When you change the units, do the numbers get bigger or smaller?
Formulate and investigate a simple mathematical model for the design of a table mat.
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?
Work out the numerical values for these physical quantities.
Have you ever wondered what it would be like to race against Usain Bolt?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
These Olympic quantities have been jumbled up! Can you put them back together again?
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Explore the properties of perspective drawing.
Which units would you choose best to fit these situations?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Examine these estimates. Do they sound about right?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
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.
Can you work out which processes are represented by the graphs?
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?
Simple models which help us to investigate how epidemics grow and die out.
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
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?
When a habitat changes, what happens to the food chain?
How would you design the tiering of seats in a stadium so that all spectators have a good view?
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. . . .
10 graphs of experimental data are given. Can you use a spreadsheet to find algebraic graphs which match them closely, and thus discover the formulae most likely to govern the underlying processes?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Can Jo make a gym bag for her trainers from the piece of fabric she has?
Are these estimates of physical quantities accurate?
Water freezes at 0°Celsius (32°Fahrenheit) and boils at 100°C (212°Fahrenheit). Is there a temperature at which Celsius and Fahrenheit readings are the same?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Explore the relationship between resistance and temperature
This problem explores the biology behind Rudolph's glowing red nose.
Analyse these beautiful biological images and attempt to rank them in size order.
How efficiently can you pack together disks?
How would you go about estimating populations of dolphins?
Where should runners start the 200m race so that they have all run the same distance by the finish?