Use trigonometry to determine whether solar eclipses on earth can be perfect.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Make your own pinhole camera for safe observation of the sun, and find out how it works.
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.
How much energy has gone into warming the planet?
Get some practice using big and small numbers in chemistry.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
When a habitat changes, what happens to the food chain?
Can you work out which drink has the stronger flavour?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
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. . . .
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 work out what this procedure is doing?
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.
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?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
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?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Which units would you choose best to fit these situations?
How would you go about estimating populations of dolphins?
Can you deduce which Olympic athletics events are represented by the graphs?
Explore the relationship between resistance and temperature
When you change the units, do the numbers get bigger or smaller?
Are these estimates of physical quantities accurate?
These Olympic quantities have been jumbled up! Can you put them back together again?
Which dilutions can you make using only 10ml pipettes?
Where should runners start the 200m race so that they have all run the same distance by the finish?
Analyse these beautiful biological images and attempt to rank them in size order.
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?
How would you design the tiering of seats in a stadium so that all spectators have a good view?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
Is it really greener to go on the bus, or to buy local?
Invent a scoring system for a 'guess the weight' competition.
Have you ever wondered what it would be like to race against Usain Bolt?
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?
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.
Can you draw the height-time chart as this complicated vessel fills
How efficiently can you pack together disks?
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 nose.
Explore the properties of perspective drawing.
What shape would fit your pens and pencils best? How can you make it?
Which countries have the most naturally athletic populations?