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
Are these estimates of physical quantities accurate?
Get some practice using big and small numbers in chemistry.
How would you go about estimating populations of dolphins?
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?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
When a habitat changes, what happens to the food chain?
Invent a scoring system for a 'guess the weight' competition.
When you change the units, do the numbers get bigger or smaller?
Which units would you choose best to fit these situations?
Analyse these beautiful biological images and attempt to rank them in size order.
Which dilutions can you make using only 10ml pipettes?
Explore the relationship between resistance and temperature
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
How much energy has gone into warming the planet?
Work out the numerical values for these physical quantities.
This problem explores the biology behind Rudolph's glowing red nose.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
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. . . .
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
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.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
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. . . .
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.
A problem about genetics and the transmission of disease.
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?
How efficiently can you pack together disks?
Can you deduce which Olympic athletics events are represented by the graphs?
These Olympic quantities have been jumbled up! Can you put them back together again?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Have you ever wondered what it would be like to race against Usain Bolt?
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?
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?
Simple models which help us to investigate how epidemics grow and die out.
Can Jo make a gym bag for her trainers from the piece of fabric she has?
Explore the properties of perspective drawing.
What shape would fit your pens and pencils best? How can you make it?
How would you design the tiering of seats in a stadium so that all spectators have a good view?
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
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.