How efficiently can you pack together disks?
Explore the properties of isometric drawings.
Invent a scoring system for a 'guess the weight' competition.
Make your own pinhole camera for safe observation of the sun, and find out how it works.
Examine these estimates. Do they sound about right?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Can you sketch graphs to show how the height of water changes in
different containers as they are filled?
Work out the numerical values for these physical quantities.
Is it really greener to go on the bus, or to buy local?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Can you work out what this procedure is doing?
When a habitat changes, what happens to the food chain?
Where should runners start the 200m race so that they have all run the same distance by the finish?
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. . . .
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?
Which dilutions can you make using only 10ml pipettes?
How much energy has gone into warming the planet?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Get some practice using big and small numbers in chemistry.
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
How would you go about estimating populations of dolphins?
Analyse these beautiful biological images and attempt to rank them in size order.
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?
Explore the relationship between resistance and temperature
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Are these estimates of physical quantities accurate?
Can you deduce which Olympic athletics events are represented by the graphs?
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
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?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
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?
Explore the properties of perspective drawing.
This problem explores the biology behind Rudolph's glowing red nose.
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Imagine different shaped vessels being filled. Can you work out
what the graphs of the water level should look like?
These Olympic quantities have been jumbled up! Can you put them back together again?
Formulate and investigate a simple mathematical model for the design of a table mat.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
Can you work out which processes are represented by the graphs?
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Which countries have the most naturally athletic populations?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Starting with two basic vector steps, which destinations can you reach on a vector walk?