Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Get some practice using big and small numbers in chemistry.
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?
Which units would you choose best to fit these situations?
Work out the numerical values for these physical quantities.
When you change the units, do the numbers get bigger or smaller?
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Examine these estimates. Do they sound about right?
Which dilutions can you make using only 10ml pipettes?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
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?
How much energy has gone into warming the planet?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Are these estimates of physical quantities accurate?
Explore the relationship between resistance and temperature
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Analyse these beautiful biological images and attempt to rank them in size order.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
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?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
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?
When a habitat changes, what happens to the food chain?
Can you work out which drink has the stronger flavour?
Simple models which help us to investigate how epidemics grow and die out.
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. . . .
Explore the properties of perspective drawing.
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.
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.
Learn about the link between logical arguments and electronic circuits. Investigate the logical connectives by making and testing your own circuits and fill in the blanks in truth tables to record. . . .
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Can you work out what this procedure is doing?
Formulate and investigate a simple mathematical model for the design of a table mat.
Explore the properties of isometric drawings.
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Invent a scoring system for a 'guess the weight' competition.
A problem about genetics and the transmission of disease.
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
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?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
This problem explores the biology behind Rudolph's glowing red nose.
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?
Have you ever wondered what it would be like to race against Usain Bolt?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.