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

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.

A look at the fluid mechanics questions that are raised by the Stonehenge 'bluestones'.

Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?

How does the half-life of a drug affect the build up of medication in the body over time?

Look at the calculus behind the simple act of a car going over a step.

Explore the rates of growth of the sorts of simple polynomials often used in mathematical modelling.

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?

Can you work out the natural time scale for the universe?

Follow in the steps of Newton and find the path that the earth follows around the sun.

How fast would you have to throw a ball upwards so that it would never land?

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?

This is the technology section of stemNRICH - Core.

How high will a ball taking a million seconds to fall travel?

A ball whooshes down a slide and hits another ball which flies off the slide horizontally as a projectile. How far does it go?

Explore displacement/time and velocity/time graphs with this mouse motion sensor.

Find the equation from which to calculate the resistance of an infinite network of resistances.

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 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.

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.

Where will the spaceman go when he falls through these strange planetary systems?

Get some practice using big and small numbers in chemistry.

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.

Investigate the effects of the half-lifes of the isotopes of cobalt on the mass of a mystery lump of the element.

Problems which make you think about the kinetic ideas underlying the ideal gas laws.

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

Ever wondered what it would be like to vaporise a diamond? Find out inside...

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