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Simple models which help us to investigate how epidemics grow and die out.
Can you deduce which Olympic athletics events are represented by the graphs?
How would you go about estimating populations of dolphins?
When you change the units, do the numbers get bigger or smaller?
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?
Invent a scoring system for a 'guess the weight' competition.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
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...
Are these estimates of physical quantities accurate?
Which units would you choose best to fit these situations?
When a habitat changes, what happens to the food chain?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Which dilutions can you make using only 10ml pipettes?
A problem about genetics and the transmission of disease.
Can you work out which drink has the stronger flavour?
Make your own pinhole camera for safe observation of the sun, and find out how it works.
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. . . .
Have you ever wondered what it would be like to race against Usain Bolt?
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Explore the properties of isometric drawings.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
What shape would fit your pens and pencils best? How can you make it?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Get some practice using big and small numbers in chemistry.
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
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?
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
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?
These Olympic quantities have been jumbled up! Can you put them back together again?
Which countries have the most naturally athletic populations?
Analyse these beautiful biological images and attempt to rank them in size order.
This problem explores the biology behind Rudolph's glowing red nose.
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Work out the numerical values for these physical quantities.
Explore the relationship between resistance and temperature
How much energy has gone into warming the planet?
How would you design the tiering of seats in a stadium so that all spectators have a good view?
Can Jo make a gym bag for her trainers from the piece of fabric she has?
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. . . .
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Explore the properties of perspective drawing.
Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?
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.
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
Does weight confer an advantage to shot putters?