Find out why water is one of the most amazing compounds in the universe and why it is essential for life. - UNDER DEVELOPMENT
When a mixture of gases burn, will the volume change?
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.
Ever wondered what it would be like to vaporise a diamond? Find out inside...
Explore how can changing the axes for a plot of an equation can lead to different shaped graphs emerging
Look at the units in the expression for the energy levels of the electrons in a hydrogen atom according to the Bohr model.
Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges
Explore the Lorentz force law for charges moving in different ways.
Some explanations of basic terms and some phenomena discovered by ancient astronomers
Problems which make you think about the kinetic ideas underlying the ideal gas laws.
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. . . .
Can you work out the natural time scale for the universe?
This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.
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. . . .
Find out how to model a battery mathematically
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
A think about the physics of a motorbike riding upside down
How high will a ball taking a million seconds to fall travel?
How fast would you have to throw a ball upwards so that it would never land?
Where will the spaceman go when he falls through these strange planetary systems?
Dip your toe into the world of quantum mechanics by looking at the Schrodinger equation for hydrogen atoms
A look at different crystal lattice structures, and how they relate to structural properties
Derive an equation which describes satellite dynamics.
Investigate the effects of the half-lifes of the isotopes of cobalt on the mass of a mystery lump of the element.
Explore the energy of this incredibly energetic particle which struck Earth on October 15th 1991
Explore the power of aeroplanes, spaceships and horses.
A look at a fluid mechanics technique called the Steady Flow Momentum Equation.
How does the half-life of a drug affect the build up of medication in the body over time?
An introduction to a useful tool to check the validity of an equation.
Show that even a very powerful spaceship would eventually run out of overtaking power
A look at the fluid mechanics questions that are raised by the Stonehenge 'bluestones'.
Can you match up the entries from this table of units?
Read all about electromagnetism in our interactive article.
A ball whooshes down a slide and hits another ball which flies off the slide horizontally as a projectile. How far does it go?
What is an AC voltage? How much power does an AC power source supply?
See how the motion of the simple pendulum is not-so-simple after all.
Follow in the steps of Newton and find the path that the earth follows around the sun.
Find out some of the mathematics behind neural networks.
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?
Can you arrange a set of charged particles so that none of them start to move when released from rest?
This is the technology section of stemNRICH - Core.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering
Look at the calculus behind the simple act of a car going over a step.
Things are roughened up and friction is now added to the approximate simple pendulum
An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Which units would you choose best to fit these situations?
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?
Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.