Invent a scoring system for a 'guess the weight' competition.
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?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
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.
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 you work out which drink has the stronger flavour?
When a habitat changes, what happens to the food chain?
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 would you go about estimating populations of dolphins?
Can you sketch graphs to show how the height of water changes in
different containers as they are filled?
Are these estimates of physical quantities accurate?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
These Olympic quantities have been jumbled up! Can you put them back together again?
Can you deduce which Olympic athletics events are represented by the graphs?
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.
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.
Explore the relationship between resistance and temperature
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Analyse these beautiful biological images and attempt to rank them in size order.
Which dilutions can you make using only 10ml pipettes?
Get some practice using big and small numbers in chemistry.
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Is it really greener to go on the bus, or to buy local?
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
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?
When you change the units, do the numbers get bigger or smaller?
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
How much energy has gone into warming the planet?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Work out the numerical values for these physical quantities.
Which units would you choose best to fit these situations?
Can you work out what this procedure is doing?
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?
This problem explores the biology behind Rudolph's glowing red
Where should runners start the 200m race so that they have all run the same distance by the finish?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
What shape would fit your pens and pencils best? How can you make it?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
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?
Does weight confer an advantage to shot putters?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
Imagine different shaped vessels being filled. Can you work out
what the graphs of the water level should look like?
How efficiently can you pack together disks?
Which countries have the most naturally athletic populations?