Is it really greener to go on the bus, or to buy local?
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Are these estimates of physical quantities accurate?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Explore the properties of isometric drawings.
Can you deduce which Olympic athletics events are represented by the graphs?
Can you work out what this procedure is doing?
Formulate and investigate a simple mathematical model for the design of a table mat.
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...
Invent a scoring system for a 'guess the weight' competition.
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 much energy has gone into warming the planet?
What shape would fit your pens and pencils best? How can you make it?
Explore the properties of perspective drawing.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
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.
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
Where should runners start the 200m race so that they have all run the same distance by the finish?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Explore the relationship between resistance and temperature
How would you go about estimating populations of dolphins?
When you change the units, do the numbers get bigger or smaller?
Have you ever wondered what it would be like to race against Usain Bolt?
How efficiently can you pack together disks?
Which units would you choose best to fit these situations?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Simple models which help us to investigate how epidemics grow and die out.
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?
Imagine different shaped vessels being filled. Can you work out
what the graphs of the water level should look like?
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
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. . . .
Can Jo make a gym bag for her trainers from the piece of fabric she has?
When a habitat changes, what happens to the food chain?
Can you work out which processes are represented by the graphs?
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.
Which dilutions can you make using only 10ml pipettes?
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
Use trigonometry to determine whether solar eclipses on earth can be perfect.
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 draw the height-time chart as this complicated vessel fills
Which countries have the most naturally athletic populations?
Various solids are lowered into a beaker of water. How does the
water level rise in each case?