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 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?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
Have you ever wondered what it would be like to race against Usain Bolt?
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
How would you go about estimating populations of dolphins?
Which dilutions can you make using only 10ml pipettes?
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.
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
Are these estimates of physical quantities accurate?
Analyse these beautiful biological images and attempt to rank them in size order.
Explore the relationship between resistance and temperature
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
When a habitat changes, what happens to the food chain?
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.
A problem about genetics and the transmission of disease.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
Get some practice using big and small numbers in chemistry.
This problem explores the biology behind Rudolph's glowing red nose.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
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?
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?
Can you work out which processes are represented by the graphs?
Simple models which help us to investigate how epidemics grow and die out.
Examine these estimates. Do they sound about right?
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?
When you change the units, do the numbers get bigger or smaller?
These Olympic quantities have been jumbled up! Can you put them back together again?
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
Which units would you choose best to fit these situations?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
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. . . .
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
What shape would fit your pens and pencils best? How can you make it?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Explore the properties of perspective drawing.
Can you work out which drink has the stronger flavour?
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 efficiently can you pack together disks?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Explore the properties of isometric drawings.
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.
Formulate and investigate a simple mathematical model for the design of a table mat.
Work out the numerical values for these physical quantities.