Is it really greener to go on the bus, or to buy local?
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
When a habitat changes, what happens to the food chain?
Are these estimates of physical quantities accurate?
Examine these estimates. Do they sound about right?
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?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
Can you work out what this procedure is doing?
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.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Starting with two basic vector steps, which destinations can you reach on a vector walk?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
What shape would fit your pens and pencils best? How can you make it?
How much energy has gone into warming the planet?
How would you go about estimating populations of dolphins?
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?
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. . . .
Get some practice using big and small numbers in chemistry.
Explore the relationship between resistance and temperature
Can you deduce which Olympic athletics events are represented by the graphs?
When you change the units, do the numbers get bigger or smaller?
Explore the properties of isometric drawings.
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?
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.
Can you work out which processes are represented by 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.
Which dilutions can you make using only 10ml pipettes?
Can Jo make a gym bag for her trainers from the piece of fabric she has?
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. . . .
Simple models which help us to investigate how epidemics grow and die out.
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
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?
Use trigonometry to determine whether solar eclipses on earth can be perfect.
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
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?
Invent a scoring system for a 'guess the weight' competition.
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 efficiently can you pack together disks?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.