See how the motion of the simple pendulum is not-so-simple after all.

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

Work out the numerical values for these physical quantities.

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

Work in groups to try to create the best approximations to these physical quantities.

Get some practice using big and small numbers in chemistry.

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.

Look at the units in the expression for the energy levels of the electrons in a hydrogen atom according to the Bohr model.

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

Which line graph, equations and physical processes go together?

Find out why water is one of the most amazing compounds in the universe and why it is essential for life. - UNDER DEVELOPMENT

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?

Dip your toe into the world of quantum mechanics by looking at the Schrodinger equation for hydrogen atoms

PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics

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?

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.

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?

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?

engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering

Explore the energy of this incredibly energetic particle which struck Earth on October 15th 1991

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

Things are roughened up and friction is now added to the approximate simple pendulum

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

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

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.

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

A look at different crystal lattice structures, and how they relate to structural properties

A think about the physics of a motorbike riding upside down

Some explanations of basic terms and some phenomena discovered by ancient astronomers

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. . . .

Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.

When you change the units, do the numbers get bigger or smaller?

Which units would you choose best to fit these situations?