Which dilutions can you make using only 10ml pipettes?
Can you work out which drink has the stronger flavour?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
Formulate and investigate a simple mathematical model for the design of a table mat.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Get some practice using big and small numbers in chemistry.
Examine these estimates. Do they sound about right?
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Is it really greener to go on the bus, or to buy local?
Work out the numerical values for these physical quantities.
How much energy has gone into warming the planet?
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?
Explore the properties of perspective drawing.
When a habitat changes, what happens to the food chain?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Where should runners start the 200m race so that they have all run the same distance by the finish?
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?
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 physical contexts.
Which units would you choose best to fit these situations?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
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?
Can you work out which processes are represented by the graphs?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Simple models which help us to investigate how epidemics grow and die out.
What shape would fit your pens and pencils best? How can you make it?
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Explore the properties of isometric drawings.
A problem about genetics and the transmission of disease.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
Can you work out what this procedure is doing?
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
Starting with two basic vector steps, which destinations can you reach on a vector walk?
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
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?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Various solids are lowered into a beaker of water. How does the water level rise in each case?
Can you draw the height-time chart as this complicated vessel fills with water?
How would you go about estimating populations of dolphins?
Are these estimates of physical quantities accurate?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
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. . . .
Is there a temperature at which Celsius and Fahrenheit readings are the same?
Analyse these beautiful biological images and attempt to rank them in size order.