Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.
An introduction to a useful tool to check the validity of an equation.
Find out why water is one of the most amazing compounds in the universe and why it is essential for life. - UNDER DEVELOPMENT
How does the half-life of a drug affect the build up of medication in the body over time?
Get some practice using big and small numbers in chemistry.
Ever wondered what it would be like to vaporise a diamond? Find out inside...
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.
When a mixture of gases burn, will the volume change?
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.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Can you work out the natural time scale for the universe?
Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges
Problems which make you think about the kinetic ideas underlying the ideal gas laws.
Where will the spaceman go when he falls through these strange planetary systems?
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. . . .
Investigate the effects of the half-lifes of the isotopes of cobalt on the mass of a mystery lump of the element.
Explore the Lorentz force law for charges moving in different ways.
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 the fluid mechanics questions that are raised by the Stonehenge 'bluestones'.
Read all about electromagnetism in our interactive article.
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. . . .
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.
Some explanations of basic terms and some phenomena discovered by ancient astronomers
Can you match up the entries from this table of units?
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
Explore the rates of growth of the sorts of simple polynomials often used in mathematical modelling.
Explore the energy of this incredibly energetic particle which struck Earth on October 15th 1991
Work out the numerical values for these physical quantities.
Find out how to model a battery mathematically
Explore how can changing the axes for a plot of an equation can lead to different shaped graphs emerging
Find out some of the mathematics behind neural networks.
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
A simplified account of special relativity and the twins paradox.
Explore the power of aeroplanes, spaceships and horses.
Which units would you choose best to fit these situations?
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?
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?
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.
What is an AC voltage? How much power does an AC power source supply?
engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering
Which line graph, equations and physical processes go together?
When you change the units, do the numbers get bigger or smaller?