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.
Get some practice using big and small numbers in chemistry.
Work out the numerical values for these physical quantities.
Use trigonometry to determine whether solar eclipses on earth can be perfect.
How much energy has gone into warming the planet?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Make your own pinhole camera for safe observation of the sun, and find out how it works.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Can you work out which drink has the stronger flavour?
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?
Examine these estimates. Do they sound about right?
Which units would you choose best to fit these situations?
When you change the units, do the numbers get bigger or smaller?
Are these estimates of physical quantities accurate?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Can you work out what this procedure is doing?
Which dilutions can you make using only 10ml pipettes?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Explore the properties of isometric drawings.
Can you deduce which Olympic athletics events are represented by the graphs?
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. . . .
Where should runners start the 200m race so that they have all run the same distance by the finish?
When a habitat changes, what happens to the food chain?
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 sketch graphs to show how the height of water changes in
different containers as they are filled?
Explore the relationship between resistance and temperature
Invent a scoring system for a 'guess the weight' competition.
How would you go about estimating populations of dolphins?
These Olympic quantities have been jumbled up! Can you put them back together again?
How would you design the tiering of seats in a stadium so that all spectators have a good view?
Have you ever wondered what it would be like to race against Usain Bolt?
Analyse these beautiful biological images and attempt to rank them in size order.
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Formulate and investigate a simple mathematical model for the design of a table mat.
Explore the properties of perspective drawing.
Is it really greener to go on the bus, or to buy local?
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
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.
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
Imagine different shaped vessels being filled. Can you work out
what the graphs of the water level should look like?
What shape would fit your pens and pencils best? How can you make it?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
Can you draw the height-time chart as this complicated vessel fills
Investigate circuits and record your findings in this simple introduction to truth tables and logic.