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?
When you change the units, do the numbers get bigger or smaller?
Which units would you choose best to fit these situations?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Are these estimates of physical quantities accurate?
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?
How would you go about estimating populations of dolphins?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
How much energy has gone into warming the planet?
Get some practice using big and small numbers in chemistry.
Simple models which help us to investigate how epidemics grow and die out.
Examine these estimates. Do they sound about right?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
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. . . .
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Which dilutions can you make using only 10ml pipettes?
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
Have you ever wondered what it would be like to race against Usain Bolt?
A problem about genetics and the transmission of disease.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
What shape would fit your pens and pencils best? How can you make it?
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.
Explore the properties of isometric drawings.
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
Starting with two basic vector steps, which destinations can you reach on a vector walk?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Formulate and investigate a simple mathematical model for the design of a table mat.
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.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Can you deduce which Olympic athletics events are represented by the graphs?
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 with numbers big and small to estimate and calculate various quantities in physical contexts.
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
How efficiently can you pack together disks?
Explore the relationship between resistance and temperature
This problem explores the biology behind Rudolph's glowing red nose.
Is it really greener to go on the bus, or to buy local?
Explore the properties of perspective drawing.
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?
Work out the numerical values for these physical quantities.
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?
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
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?
These Olympic quantities have been jumbled up! Can you put them back together again?
Can Jo make a gym bag for her trainers from the piece of fabric she has?
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?