Estimate these curious quantities sufficiently accurately that you can rank them in order of size
When a habitat changes, what happens to the food chain?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Are these estimates of physical quantities accurate?
Analyse these beautiful biological images and attempt to rank them in size order.
Examine these estimates. Do they sound about right?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
Invent a scoring system for a 'guess the weight' competition.
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?
Work out the numerical values for these physical quantities.
Can you sketch graphs to show how the height of water changes in
different containers as they are filled?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Get some practice using big and small numbers in chemistry.
Make your own pinhole camera for safe observation of the sun, and find out how it works.
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
How would you go about estimating populations of dolphins?
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?
These Olympic quantities have been jumbled up! Can you put them back together again?
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. . . .
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Which dilutions can you make using only 10ml pipettes?
Can you deduce which Olympic athletics events are represented by the graphs?
Which units would you choose best to fit these situations?
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?
Explore the properties of isometric drawings.
When you change the units, do the numbers get bigger or smaller?
A problem about genetics and the transmission of disease.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Where should runners start the 200m race so that they have all run the same distance by the finish?
Simple models which help us to investigate how epidemics grow and die out.
What shape would fit your pens and pencils best? How can you make it?
Can you work out what this procedure is doing?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
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 efficiently can you pack together disks?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
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?
How much energy has gone into warming the planet?
Have you ever wondered what it would be like to race against Usain Bolt?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Explore the relationship between resistance and temperature
This problem explores the biology behind Rudolph's glowing red nose.
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
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.