Find out some of the mathematics behind neural networks.
This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.
Which line graph, equations and physical processes go together?
Look at the calculus behind the simple act of a car going over a step.
Get some practice using big and small numbers in chemistry.
Ever wondered what it would be like to vaporise a diamond? Find out inside...
Work in groups to try to create the best approximations to these physical quantities.
See how the motion of the simple pendulum is not-so-simple after all.
How fast would you have to throw a ball upwards so that it would never land?
When you change the units, do the numbers get bigger or smaller?
Explore the Lorentz force law for charges moving in different ways.
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
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 suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Work out the numerical values for these physical quantities.
A look at the fluid mechanics questions that are raised by the Stonehenge 'bluestones'.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Look at the units in the expression for the energy levels of the electrons in a hydrogen atom according to the Bohr model.
How does the half-life of a drug affect the build up of medication in the body over time?
Explore the rates of growth of the sorts of simple polynomials often used in mathematical modelling.
Explore the power of aeroplanes, spaceships and horses.
Which units would you choose best to fit these situations?
Read all about electromagnetism in our interactive article.
An introduction to a useful tool to check the validity of an equation.
This is the technology section of stemNRICH - Core.
Gravity on the Moon is about 1/6th that on the Earth. A pole-vaulter 2 metres tall can clear a 5 metres pole on the Earth. How high a pole could he clear on the Moon?
A ball whooshes down a slide and hits another ball which flies off the slide horizontally as a projectile. How far does it go?
Can you work out the natural time scale for the universe?
Where will the spaceman go when he falls through these strange planetary systems?
Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges
Investigate some of the issues raised by Geiger and Marsden's famous scattering experiment in which they fired alpha particles at a sheet of gold.
Problems which make you think about the kinetic ideas underlying the ideal gas laws.
How high will a ball taking a million seconds to fall travel?
What is an AC voltage? How much power does an AC power source supply?
A look at a fluid mechanics technique called the Steady Flow Momentum Equation.
Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.
chemNRICH is the area of the stemNRICH site devoted to the mathematics underlying the study of chemistry, designed to help develop the mathematics required to get the most from your study. . . .
An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.
Explore how can changing the axes for a plot of an equation can lead to different shaped graphs emerging
When a mixture of gases burn, will the volume change?
Explore the energy of this incredibly energetic particle which struck Earth on October 15th 1991
Things are roughened up and friction is now added to the approximate simple pendulum
Show that even a very powerful spaceship would eventually run out of overtaking power
Can you match up the entries from this table of units?
Some explanations of basic terms and some phenomena discovered by ancient astronomers
Derive an equation which describes satellite dynamics.
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?
engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering
An article about the kind of maths a first year undergraduate in physics, engineering and other physical sciences courses might encounter. The aim is to highlight the link between particular maths. . . .
Find out how to model a battery mathematically