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.
How much energy has gone into warming the planet?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
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.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Work out the numerical values for these physical quantities.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Where should runners start the 200m race so that they have all run the same distance by the finish?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Is it really greener to go on the bus, or to buy local?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Can you work out what this procedure is doing?
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?
Explore the properties of perspective drawing.
Can you work out which drink has the stronger flavour?
Explore the properties of isometric drawings.
Which dilutions can you make using only 10ml pipettes?
Formulate and investigate a simple mathematical model for the design of a table mat.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
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?
Are these estimates of physical quantities accurate?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
How would you go about estimating populations of dolphins?
Analyse these beautiful biological images and attempt to rank them in size order.
Explore the relationship between resistance and temperature
When you change the units, do the numbers get bigger or smaller?
Which units would you choose best to fit these situations?
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 deduce which Olympic athletics events are represented by the graphs?
Various solids are lowered into a beaker of water. How does the
water level rise in each case?
How would you design the tiering of seats in a stadium so that all spectators have a good view?
This problem explores the biology behind Rudolph's glowing red nose.
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. . . .
When a habitat changes, what happens to the food chain?
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
These Olympic quantities have been jumbled up! Can you put them back together again?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Can you work out which processes are represented by the graphs?
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.
Does weight confer an advantage to shot putters?
Starting with two basic vector steps, which destinations can you reach on a vector walk?
10 graphs of experimental data are given. Can you use a spreadsheet to find algebraic graphs which match them closely, and thus discover the formulae most likely to govern the underlying processes?
Invent a scoring system for a 'guess the weight' competition.