Read all about electromagnetism in our interactive article.
Explore the Lorentz force law for charges moving in different ways.
A think about the physics of a motorbike riding upside down
Find out how to model a battery mathematically
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 a fluid mechanics technique called the Steady Flow Momentum Equation.
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
Where will the spaceman go when he falls through these strange planetary systems?
Problems which make you think about the kinetic ideas underlying the ideal gas laws.
Explore the energy of this incredibly energetic particle which struck Earth on October 15th 1991
Explore the power of aeroplanes, spaceships and horses.
Can you work out the natural time scale for the universe?
Show that even a very powerful spaceship would eventually run out of overtaking power
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 match up the entries from this table of units?
Find out why water is one of the most amazing compounds in the universe and why it is essential for life. - UNDER DEVELOPMENT
How high will a ball taking a million seconds to fall travel?
See how the motion of the simple pendulum is not-so-simple after all.
When you change the units, do the numbers get bigger or smaller?
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.
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?
Dip your toe into the world of quantum mechanics by looking at the Schrodinger equation for hydrogen atoms
Derive an equation which describes satellite dynamics.
Ever wondered what it would be like to vaporise a diamond? Find out inside...
When a mixture of gases burn, will the volume change?
What is an AC voltage? How much power does an AC power source supply?
Work out the numerical values for these physical quantities.
An introduction to a useful tool to check the validity of an equation.
Things are roughened up and friction is now added to the approximate simple pendulum
A look at the fluid mechanics questions that are raised by the Stonehenge 'bluestones'.
Which line graph, equations and physical processes go together?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Which units would you choose best to fit these situations?
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.
Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges
Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.
Work in groups to try to create the best approximations to these physical quantities.
Find out some of the mathematics behind neural networks.
Explore how can changing the axes for a plot of an equation can lead to different shaped graphs emerging
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?
How does the half-life of a drug affect the build up of medication in the body over time?
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Explore the rates of growth of the sorts of simple polynomials often used in mathematical modelling.
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
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. . . .