Which countries have the most naturally athletic populations?
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?
Simple models which help us to investigate how epidemics grow and die out.
Can you deduce which Olympic athletics events are represented by the graphs?
Which dilutions can you make using only 10ml pipettes?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
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?
Invent a scoring system for a 'guess the weight' competition.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Examine these estimates. Do they sound about right?
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 sketch graphs to show how the height of water changes in different containers as they are filled?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
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.
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
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?
When a habitat changes, what happens to the food chain?
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. . . .
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.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Is it really greener to go on the bus, or to buy local?
What shape would fit your pens and pencils best? How can you make it?
Get some practice using big and small numbers in chemistry.
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?
Analyse these beautiful biological images and attempt to rank them in size order.
How would you go about estimating populations of dolphins?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Are these estimates of physical quantities accurate?
When you change the units, do the numbers get bigger or smaller?
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?
Does weight confer an advantage to shot putters?
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
Work out the numerical values for these physical quantities.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Explore the relationship between resistance and temperature
How much energy has gone into warming the planet?
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Can Jo make a gym bag for her trainers from the piece of fabric she has?
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. . . .
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.
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Explore the properties of perspective drawing.