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?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Which dilutions can you make using only 10ml pipettes?
Is it really greener to go on the bus, or to buy local?
Explore the properties of perspective drawing.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Explore the properties of isometric drawings.
Examine these estimates. Do they sound about right?
Where should runners start the 200m race so that they have all run the same distance by the finish?
Formulate and investigate a simple mathematical model for the design of a table mat.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
What shape would fit your pens and pencils best? How can you make it?
Can you work out what this procedure is doing?
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Work out the numerical values for these physical quantities.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
Get some practice using big and small numbers in chemistry.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
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.
Can you sketch graphs to show how the height of water changes in
different containers as they are filled?
How much energy has gone into warming the planet?
Which countries have the most naturally athletic populations?
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
Can you deduce which Olympic athletics events are represented by the graphs?
Are these estimates of physical quantities accurate?
When you change the units, do the numbers get bigger or smaller?
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?
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.
Explore the relationship between resistance and temperature
Can Jo make a gym bag for her trainers from the piece of fabric she has?
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?
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?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
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.
When a habitat changes, what happens to the food chain?
How would you go about estimating populations of dolphins?
Imagine different shaped vessels being filled. Can you work out
what the graphs of the water level should look like?
Simple models which help us to investigate how epidemics grow and die out.
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
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.
Use trigonometry to determine whether solar eclipses on earth can be perfect.
How efficiently can you pack together disks?