Use trigonometry to determine whether solar eclipses on earth can be perfect.
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Get some practice using big and small numbers in chemistry.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
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
Work out the numerical values for these physical quantities.
How much energy has gone into warming the planet?
Can you work out what this procedure is doing?
Examine these estimates. Do they sound about right?
When you change the units, do the numbers get bigger or smaller?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Which units would you choose best to fit these situations?
Formulate and investigate a simple mathematical model for the design of a table mat.
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?
Explore the relationship between resistance and temperature
Analyse these beautiful biological images and attempt to rank them in size order.
Make your own pinhole camera for safe observation of the sun, and find out how it works.
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 sketch graphs to show how the height of water changes in different containers as they are filled?
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Can you work out which drink has the stronger flavour?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
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.
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?
Starting with two basic vector steps, which destinations can you reach on a vector walk?
Is it really greener to go on the bus, or to buy local?
Is there a temperature at which Celsius and Fahrenheit readings are the same?
Are these estimates of physical quantities accurate?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
How would you go about estimating populations of dolphins?
When a habitat changes, what happens to the food chain?
Explore the properties of perspective drawing.
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?
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
Explore the properties of isometric drawings.
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. . . .
These Olympic quantities have been jumbled up! Can you put them back together again?
Which dilutions can you make using only 10ml pipettes?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
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?
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?
What shape would fit your pens and pencils best? How can you make it?