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.
How efficiently can you pack together disks?
Are these estimates of physical quantities accurate?
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. . . .
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?
How much energy has gone into warming the planet?
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
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...
Work out the numerical values for these physical quantities.
Get some practice using big and small numbers in chemistry.
Simple models which help us to investigate how epidemics grow and die out.
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. . . .
Which dilutions can you make using only 10ml pipettes?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Analyse these beautiful biological images and attempt to rank them in size order.
When you change the units, do the numbers get bigger or smaller?
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 units would you choose best to fit these situations?
When a habitat changes, what happens to the food chain?
This problem explores the biology behind Rudolph's glowing red nose.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Explore the properties of isometric drawings.
A problem about genetics and the transmission of disease.
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.
Have you ever wondered what it would be like to race against Usain Bolt?
Formulate and investigate a simple mathematical model for the design of a table mat.
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
What shape would fit your pens and pencils best? How can you make it?
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.
Is it really greener to go on the bus, or to buy local?
Can Jo make a gym bag for her trainers from the piece of fabric she has?
Can you deduce which Olympic athletics events are represented by the graphs?
Can you draw the height-time chart as this complicated vessel fills with water?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
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?
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Explore the relationship between resistance and temperature
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
These Olympic quantities have been jumbled up! Can you put them back together again?
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
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 perspective drawing.
Invent a scoring system for a 'guess the weight' competition.