A problem about genetics and the transmission of disease.
Simple models which help us to investigate how epidemics grow and die out.
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.
Which countries have the most naturally athletic populations?
Does weight confer an advantage to shot putters?
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?
Have you ever wondered what it would be like to race against Usain Bolt?
Where should runners start the 200m race so that they have all run the same distance by the finish?
Which dilutions can you make using only 10ml pipettes?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
Use trigonometry to determine whether solar eclipses on earth can be perfect.
These Olympic quantities have been jumbled up! Can you put them back together again?
Can you deduce which Olympic athletics events are represented by the graphs?
Analyse these beautiful biological images and attempt to rank them in size order.
What shape would fit your pens and pencils best? How can you make it?
This problem explores the biology behind Rudolph's glowing red nose.
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
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?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Can you work out what this procedure is doing?
Can you work out which processes are represented by the graphs?
Formulate and investigate a simple mathematical model for the design of a table mat.
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. . . .
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
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 Jo make a gym bag for her trainers from the piece of fabric she has?
When a habitat changes, what happens to the food chain?
Explore the properties of perspective drawing.
Explore the relationship between resistance and temperature
Get some practice using big and small numbers in chemistry.
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?
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.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Can you draw the height-time chart as this complicated vessel fills
Are these estimates of physical quantities accurate?
Various solids are lowered into a beaker of water. How does the
water level rise in each case?
How much energy has gone into warming the planet?
Work out the numerical values for these physical quantities.
Invent a scoring system for a 'guess the weight' competition.
When you change the units, do the numbers get bigger or smaller?