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

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

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

A think about the physics of a motorbike riding upside down

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

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

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

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

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

Explore the Lorentz force law for charges moving in different ways.

A look at a fluid mechanics technique called the Steady Flow Momentum Equation.

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

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?

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.

What is an AC voltage? How much power does an AC power source supply?

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

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.

Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.

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

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

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

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

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

This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.

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.

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

Derive an equation which describes satellite dynamics.

Explore how can changing the axes for a plot of an equation can lead to different shaped graphs emerging

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

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

An introduction to a useful tool to check the validity of an equation.

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

Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges

Estimate these curious quantities sufficiently accurately that you can rank them in order of size

An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.

Work out the numerical values for these physical quantities.

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. . . .

Which line graph, equations and physical processes go together?

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

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

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

Which units would you choose best to fit these situations?