How much energy has gone into warming the planet?
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 biological contexts.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Work out the numerical values for these physical quantities.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Examine these estimates. Do they sound about right?
A problem about genetics and the transmission of disease.
Does weight confer an advantage to shot putters?
Invent a scoring system for a 'guess the weight' competition.
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 dilutions can you make using only 10ml pipettes?
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
Get some practice using big and small numbers in chemistry.
Which units would you choose best to fit these situations?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
When you change the units, do the numbers get bigger or smaller?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Formulate and investigate a simple mathematical model for the design of a table mat.
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Can you work out which processes are represented by the graphs?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
In Fill Me Up we invited you to sketch graphs as vessels are filled with water. Can you work out the equations of the graphs?
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.
Starting with two basic vector steps, which destinations can you reach on a vector walk?
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Simple models which help us to investigate how epidemics grow and die out.
Is it really greener to go on the bus, or to buy local?
Explore the relationship between resistance and temperature
Analyse these beautiful biological images and attempt to rank them in size order.
Use your skill and judgement to match the sets of random data.
Are these estimates of physical quantities accurate?
Where should runners start the 200m race so that they have all run the same distance by the finish?
How would you go about estimating populations of dolphins?
When a habitat changes, what happens to the food chain?
Can you draw the height-time chart as this complicated vessel fills with water?
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?
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 visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
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. . . .
Explore the properties of isometric drawings.
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
Have you ever wondered what it would be like to race against Usain Bolt?