The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
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 would you go about estimating populations of dolphins?
Have you ever wondered what it would be like to race against Usain Bolt?
These Olympic quantities have been jumbled up! Can you put them back together again?
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?
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...
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?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Which units would you choose best to fit these situations?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Can you work out which drink has the stronger flavour?
Are these estimates of physical quantities accurate?
When you change the units, do the numbers get bigger or smaller?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Examine these estimates. Do they sound about right?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Work out the numerical values for these physical quantities.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Invent a scoring system for a 'guess the weight' competition.
Can you deduce which Olympic athletics events are represented by the graphs?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
When a habitat changes, what happens to the food chain?
Analyse these beautiful biological images and attempt to rank them in size order.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Explore the relationship between resistance and temperature
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.
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
Explore the properties of isometric drawings.
Get some practice using big and small numbers in chemistry.
What shape would fit your pens and pencils best? How can you make it?
Can you work out what this procedure is doing?
Simple models which help us to investigate how epidemics grow and die out.
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Which countries have the most naturally athletic populations?
Is it really greener to go on the bus, or to buy local?
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?
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
This problem explores the biology behind Rudolph's glowing red nose.
A problem about genetics and the transmission of disease.
Does weight confer an advantage to shot putters?