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.
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?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Starting with two basic vector steps, which destinations can you reach on a vector walk?
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.
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?
Explore the properties of perspective drawing.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Have you ever wondered what it would be like to race against Usain Bolt?
Can you work out what this procedure is doing?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
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. . . .
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
When a habitat changes, what happens to the food chain?
Which dilutions can you make using only 10ml pipettes?
Can you work out which processes are represented by the graphs?
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?
Get some practice using big and small numbers in chemistry.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
When you change the units, do the numbers get bigger or smaller?
Are these estimates of physical quantities accurate?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Which units would you choose best to fit these situations?
How efficiently can you pack together disks?
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?
Explore the relationship between resistance and temperature
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
This problem explores the biology behind Rudolph's glowing red nose.
Analyse these beautiful biological images and attempt to rank them in size order.
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
How much energy has gone into warming the planet?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
Does weight confer an advantage to shot putters?
Can you draw the height-time chart as this complicated vessel fills with water?
Various solids are lowered into a beaker of water. How does the water level rise in each case?
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
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?
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
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?