Examine these estimates. Do they sound about right?
Are these estimates of physical quantities accurate?
Work out the numerical values for these physical quantities.
Get some practice using big and small numbers in chemistry.
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
How would you go about estimating populations of dolphins?
Analyse these beautiful biological images and attempt to rank them in size order.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Explore the relationship between resistance and temperature
Make your own pinhole camera for safe observation of the sun, and find out how it works.
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?
Which dilutions can you make using only 10ml pipettes?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
How much energy has gone into warming the planet?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
When you change the units, do the numbers get bigger or smaller?
Which units would you choose best to fit these situations?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
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 work out which drink has the stronger flavour?
Explore the properties of isometric drawings.
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
When a habitat changes, what happens to the food chain?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
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?
A problem about genetics and the transmission of disease.
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. . . .
Formulate and investigate a simple mathematical model for the design of a table mat.
Use trigonometry to determine whether solar eclipses on earth can be perfect.
These Olympic quantities have been jumbled up! Can you put them back together again?
This problem explores the biology behind Rudolph's glowing red nose.
Can you deduce which Olympic athletics events are represented by the graphs?
Invent a scoring system for a 'guess the weight' competition.
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?
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
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?
Is it really greener to go on the bus, or to buy local?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Starting with two basic vector steps, which destinations can you reach on a vector walk?
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.