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?
Explore the relationship between resistance and temperature
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. . . .
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
Examine these estimates. Do they sound about right?
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Is it really greener to go on the bus, or to buy local?
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.
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
Have you ever wondered what it would be like to race against Usain Bolt?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Which dilutions can you make using only 10ml pipettes?
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
Explore the properties of perspective drawing.
Where should runners start the 200m race so that they have all run the same distance by the finish?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
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?
Work out the numerical values for these physical quantities.
Can you work out which processes are represented by the graphs?
Formulate and investigate a simple mathematical model for the design of a table mat.
Get some practice using big and small numbers in chemistry.
Use trigonometry to determine whether solar eclipses on earth can be perfect.
How much energy has gone into warming the planet?
Which units would you choose best to fit these situations?
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
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 physical contexts.
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
Various solids are lowered into a beaker of water. How does the
water level rise in each case?
These Olympic quantities have been jumbled up! Can you put them back together again?
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Can you draw the height-time chart as this complicated vessel fills
When you change the units, do the numbers get bigger or smaller?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
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. . . .
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.
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.
This problem explores the biology behind Rudolph's glowing red nose.
Can Jo make a gym bag for her trainers from the piece of fabric she has?
Analyse these beautiful biological images and attempt to rank them in size order.
When a habitat changes, what happens to the food chain?
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?
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?