An introduction to a useful tool to check the validity of an equation.
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 power of aeroplanes, spaceships and horses.
Can you arrange a set of charged particles so that none of them start to move when released from rest?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
A simplified account of special relativity and the twins paradox.
Work out the numerical values for these physical quantities.
Get some practice using big and small numbers in chemistry.
How fast would you have to throw a ball upwards so that it would never land?
Explore the Lorentz force law for charges moving in different ways.
Read all about electromagnetism in our interactive article.
See how the motion of the simple pendulum is not-so-simple after all.
Problems which make you think about the kinetic ideas underlying the ideal gas laws.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Look at the calculus behind the simple act of a car going over a step.
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Work in groups to try to create the best approximations to these physical quantities.
Find out why water is one of the most amazing compounds in the universe and why it is essential for life. - UNDER DEVELOPMENT
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
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?
Where will the spaceman go when he falls through these strange planetary systems?
Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges
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.
Can you work out the natural time scale for the universe?
A look at a fluid mechanics technique called the Steady Flow Momentum Equation.
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?
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
This is the technology section of stemNRICH - Core.
Find out how to model a battery mathematically
Which line graph, equations and physical processes go together?
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.
Things are roughened up and friction is now added to the approximate simple pendulum
Show that even a very powerful spaceship would eventually run out of overtaking power
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?
When you change the units, do the numbers get bigger or smaller?
Which units would you choose best to fit these situations?
Can you match up the entries from this table of units?
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.
A look at different crystal lattice structures, and how they relate to structural properties
This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.
A think about the physics of a motorbike riding upside down
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. . . .
Derive an equation which describes satellite dynamics.
Some explanations of basic terms and some phenomena discovered by ancient astronomers
Find out some of the mathematics behind neural networks.
When a mixture of gases burn, will the volume change?