Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Are these estimates of physical quantities accurate?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Get some practice using big and small numbers in chemistry.
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
Analyse these beautiful biological images and attempt to rank them in size order.
Which dilutions can you make using only 10ml pipettes?
How much energy has gone into warming the planet?
Formulate and investigate a simple mathematical model for the design of a table mat.
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Work out the numerical values for these physical quantities.
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?
Examine these estimates. Do they sound about right?
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
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?
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. . . .
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?
How would you go about estimating populations of dolphins?
Can you work out what this procedure is doing?
When you change the units, do the numbers get bigger or smaller?
This problem explores the biology behind Rudolph's glowing red nose.
Explore the relationship between resistance and temperature
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
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.
When a habitat changes, what happens to the food chain?
Which units would you choose best to fit these situations?
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
How efficiently can you pack together disks?
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
Simple models which help us to investigate how epidemics grow and die out.
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?
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Imagine different shaped vessels being filled. Can you work out
what the graphs of the water level should look like?
Can you work out which drink has the stronger flavour?
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 Jo make a gym bag for her trainers from the piece of fabric she has?
Where should runners start the 200m race so that they have all run the same distance by the finish?
Explore the properties of perspective drawing.
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.
Explore the properties of isometric drawings.
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 would you design the tiering of seats in a stadium so that all spectators have a good view?
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Which countries have the most naturally athletic populations?
Various solids are lowered into a beaker of water. How does the
water level rise in each case?
Can you work out which processes are represented by the graphs?
Can you draw the height-time chart as this complicated vessel fills