Explore the power of aeroplanes, spaceships and horses.

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.

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

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

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

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

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?

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

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

This is the technology section of stemNRICH - Core.

Get some practice using big and small numbers in chemistry.

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

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?

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

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

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

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

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

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

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

Which line graph, equations and physical processes go together?

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

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

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

Derive an equation which describes satellite dynamics.

Show that even a very powerful spaceship would eventually run out of overtaking power

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

Work out the numerical values for these physical quantities.

A think about the physics of a motorbike riding upside down

Can you match up the entries from this table of units?

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

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

Can you arrange a set of charged particles so that none of them start to move when released from rest?

How does the half-life of a drug affect the build up of medication in the body over time?

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

Which units would you choose best to fit these situations?

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?

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

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

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

Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?

Make an accurate diagram of the solar system and explore the concept of a grand conjunction.

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