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Resources tagged with physics similar to Reaction Rates:

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Broad Topics > Applications > physics

Striking Gold

Stage: 5 Challenge Level:

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.

Diamonds Aren't Forever

Stage: 5 Challenge Level:

Ever wondered what it would be like to vaporise a diamond? Find out inside...

Eudiometry

Stage: 5 Challenge Level:

When a mixture of gases burn, will the volume change?

Constantly Changing

Stage: 4 Challenge Level:

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

Lennard Jones Potential

Stage: 5 Challenge Level:

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

The Real Hydrogen Atom

Stage: 5 Challenge Level:

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

The Amazing Properties of Water

Stage: 4 and 5 Challenge Level:

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

Ideal Axes

Stage: 5 Challenge Level:

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

The Power of Dimensional Analysis

Stage: 4 and 5

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

Electromagnetism

Stage: 4 and 5 Challenge Level:

Advanced problems in the mathematical sciences.

Maths in the Undergraduate Physical Sciences

Stage: 5

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. . . .

Drug Stabiliser

Stage: 5 Challenge Level:

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

Core Scientific Mathematics

Stage: 4 and 5 Challenge Level:

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

Escape from Planet Earth

Stage: 5 Challenge Level:

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

The Not-so-simple Pendulum 1

Stage: 5 Challenge Level:

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

Whose Line Graph Is it Anyway?

Stage: 5 Challenge Level:

Which line graph, equations and physical processes go together?

Big and Small Numbers in Chemistry

Stage: 4 Challenge Level:

Get some practice using big and small numbers in chemistry.

Powerfully Fast

Stage: 5 Challenge Level:

Explore the power of aeroplanes, spaceships and horses.

The Not-so-simple Pendulum 2

Stage: 5 Challenge Level:

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

Modelling Assumptions in Mechanics

Stage: 5

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

Moving Stonehenge

Stage: 5 Challenge Level:

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

Stemnrich - Technology

Stage: 3 and 4 Challenge Level:

This is the technology section of stemNRICH - Core.

Earth Orbit

Stage: 5 Challenge Level:

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

Whoosh

Stage: 5 Challenge Level:

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

Lunar Leaper

Stage: 5 Challenge Level:

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?

Mach Attack

Stage: 5 Challenge Level:

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

Which Twin Is Older?

Stage: 5

A simplified account of special relativity and the twins paradox.

Gravity Paths

Stage: 5 Challenge Level:

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

The Lorentz Force Law

Stage: 5 Challenge Level:

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

Levels of Bohr

Stage: 5 Challenge Level:

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

Stage: 5 Challenge Level:

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

Cobalt Decay

Stage: 5 Challenge Level:

Investigate the effects of the half-lifes of the isotopes of cobalt on the mass of a mystery lump of the element.

Neural Nets

Stage: 5

Find out some of the mathematics behind neural networks.

Cannon Balls

Stage: 5 Short Challenge Level:

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

Ideal Gases

Stage: 5 Challenge Level:

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

Pumping the Power

Stage: 5 Challenge Level:

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

Universal Time, Mass, Length

Stage: 5 Short Challenge Level:

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

Engnrich

Stage: 5 Challenge Level:

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

The Ultra Particle

Stage: 5 Challenge Level:

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

Reaction Types

Stage: 5 Challenge Level:

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

Stage: 5 Challenge Level:

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

Big and Small Numbers in Physics

Stage: 4 Challenge Level:

Work out the numerical values for these physical quantities.

Ancient Astronomical Terms

Stage: 3, 4 and 5

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

Approximately Certain

Stage: 4 and 5 Challenge Level:

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

Go Spaceship Go

Stage: 5 Challenge Level:

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

Bigger or Smaller?

Stage: 4 Challenge Level:

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

Stage: 4 Challenge Level:

Which units would you choose best to fit these situations?

New Units for Old

Stage: 5 Challenge Level:

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

A Question of Scale

Stage: 4 Short Challenge Level:

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?