Examine these estimates. Do they sound about right?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Are these estimates of physical quantities accurate?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Make your own pinhole camera for safe observation of the sun, and find out how it works.
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. . . .
Work out the numerical values for these physical quantities.
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?
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...
When a habitat changes, what happens to the food chain?
Which dilutions can you make using only 10ml pipettes?
Explore the properties of isometric drawings.
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
Get some practice using big and small numbers in chemistry.
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 sketch graphs to show how the height of water changes in
different containers as they are filled?
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?
When you change the units, do the numbers get bigger or smaller?
Can you deduce which Olympic athletics events are represented by the graphs?
These Olympic quantities have been jumbled up! Can you put them back together again?
Analyse these beautiful biological images and attempt to rank them in size order.
Which units would you choose best to fit these situations?
How would you go about estimating populations of dolphins?
Use trigonometry to determine whether solar eclipses on earth can be perfect.
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Have you ever wondered what it would be like to race against Usain Bolt?
What shape would fit your pens and pencils best? How can you make it?
Explore the relationship between resistance and temperature
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
How much energy has gone into warming the planet?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Simple models which help us to investigate how epidemics grow and die out.
Where should runners start the 200m race so that they have all run the same distance by the finish?
This problem explores the biology behind Rudolph's glowing red
Can you work out what this procedure is doing?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
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 efficiently can you pack together disks?
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Is it really greener to go on the bus, or to buy local?
A problem about genetics and the transmission of disease.
Explore the properties of perspective drawing.
Various solids are lowered into a beaker of water. How does the
water level rise in each case?