PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
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. . . .
engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering
A look at the fluid mechanics questions that are raised by the
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.
Work in groups to try to create the best approximations to these
See how the motion of the simple pendulum is not-so-simple after
A look at a fluid mechanics technique called the Steady Flow
Look at the calculus behind the simple act of a car going over a
Explore the rates of growth of the sorts of simple polynomials
often used in mathematical modelling.
Find out some of the mathematics behind neural networks.
How does the half-life of a drug affect the build up of medication
in the body over time?
Advanced problems in the mathematical sciences.
Which line graph, equations and physical processes go together?
Explore displacement/time and velocity/time graphs with this mouse
Can you work out the natural time scale for the universe?
How fast would you have to throw a ball upwards so that it would
This is the technology section of stemNRICH - Core.
Get some practice using big and small numbers in chemistry.
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 simplified account of special relativity and the twins paradox.
A ball whooshes down a slide and hits another ball which flies off
the slide horizontally as a projectile. How far does it go?
Investigate why the Lennard-Jones potential gives a good
approximate explanation for the behaviour of atoms at close ranges
What is an AC voltage? How much power does an AC power source
Have you got the Mach knack? Discover the mathematics behind
exceeding the sound barrier.
Read all about electromagnetism in our interactive article.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Look at the units in the expression for the energy levels of the electrons in a hydrogen atom according to the Bohr model.
Explore the Lorentz force law for charges moving in different ways.
Problems which make you think about the kinetic ideas underlying
the ideal gas laws.
Where will the spaceman go when he falls through these strange planetary systems?
Find out why water is one of the most amazing compounds in the
universe and why it is essential for life. - UNDER DEVELOPMENT
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.
How high will a ball taking a million seconds to fall travel?
Dip your toe into the world of quantum mechanics by looking at the
Schrodinger equation for hydrogen atoms
An article demonstrating mathematically how various physical
modelling assumptions affect the solution to the seemingly simple
problem of the projectile.
Can you arrange a set of charged particles so that none of them
start to move when released from rest?
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?
Ever wondered what it would be like to vaporise a diamond? Find out
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
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?
Show that even a very powerful spaceship would eventually run out
of overtaking power
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Explore the power of aeroplanes, spaceships and horses.
An introduction to a useful tool to check the validity of an equation.
Some explanations of basic terms and some phenomena discovered by